CN103051740A - Domain name resolution method, domain name system (DNS) server and domain name resolution system - Google Patents
Domain name resolution method, domain name system (DNS) server and domain name resolution system Download PDFInfo
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- CN103051740A CN103051740A CN2012105415933A CN201210541593A CN103051740A CN 103051740 A CN103051740 A CN 103051740A CN 2012105415933 A CN2012105415933 A CN 2012105415933A CN 201210541593 A CN201210541593 A CN 201210541593A CN 103051740 A CN103051740 A CN 103051740A
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Abstract
The invention discloses a domain name resolution method, a domain name system (DNS) server and a domain name resolution system. The domain name resolution method mainly comprises the following steps of receiving a domain name resolution request from a client; determining a forwarding DNS server to which the domain name resolution request belongs when no domain name resolution response corresponding to a domain name is cached in local; transmitting the domain name resolution request to a determined forwarding DNS server; and receiving the domain name resolution response obtained after the forwarding DNS server carries out the domain name resolution operation for the domain name information, and transmitting the domain name resolution response to the client. Since different domain name resolution requests are allocated to the forwarding DNS server to which the domain name resolution request belongs, and each forwarding DNS server targets the own domain name resolution request to carry out the domain name resolution, so that the restriction condition among different internet service providers (ISP) can be avoided, the domain name resolution speed is accelerated, the domain name resolution time is shorter, and the resolution efficiency is increased.
Description
Technical field
The present invention relates to IP(Internet Protocol, Internet protocol) network field, relate in particular to a kind of domain name analytic method, dns server and domain name analysis system.
Background technology
At IP(Internet Protocol, Internet protocol) in the network, domain name system (Domain Name System, DNS) be one of the infrastructure service of internet most critical, support for numerous network applications provide essence, its major function is that the domain name (Domain Name) that is easy to people's memory is changed with the discernible IP of network address.Conversion between domain name and the IP address is called domain name mapping, and the network host of carrying out domain name mapping can be called dns server.By the inquiry service of domain name system DNS server, can find the entrance of required website or resource, and then website or resource are conducted interviews.
In the prior art, DNS provides three kinds of domain name mapping modes: local search, caching query and iterative query.If certain ISP(Internet Service Provider, ISP) access user is inputted certain website domain name in browser, then access user is initiated the domain name mapping request, wherein carries this website domain name; The dns server of this ISP, be commonly referred to as local dns server and receive this domain name mapping request, at first carry out local search, IP address corresponding to this website domain name of inquiry in the home domain name database, stored in the home domain name database and belonged to home domain name that this dns server resolves and the corresponding relation of IP address, if this website domain name is home domain name, then local dns server directly returns to access user with the IP address that inquires; If this website domain name is not home domain name, local dns server is then carried out caching query, query parse record in the buffer memory of this dns server (generally preserving non-local domain name and the corresponding IP address thereof of resolving by the iterative query mode in nearest a period of time with the form of separating new record in the buffer memory), if the relevant solution new record of this website domain name is arranged in buffer memory, then local dns server directly returns to access user with the IP address that inquires; If the relevant solution new record of this website domain name not in buffer memory, local dns server is carried out iterative query at last, obtains the DNS response message that carries IP address corresponding to this website domain name by iterative query.
Take query web domain name " www.aaa.com.cn " as example, the domain name mapping process of iterative query is described, suppose that local dns server does not inquire IP address corresponding to www.aaa.com.cn in home domain name database and buffer memory, then further comprise following recursive query process:
The first step: local dns server is initiated this domain name mapping request to transmitting dns server;
Second step: transmit dns server and initiate this domain name mapping request to the rhizosphere dns server of self;
The 3rd step: if the rhizosphere dns server can't be resolved, then return the IP address of the dns server in management cn territory to the forwarding dns server;
The 4th step: transmit dns server and initiate this domain name mapping request to the dns server in management cn territory;
The 5th step: if the dns server in management cn territory can't be resolved, then return the IP address of the dns server in management com.cn territory to the forwarding dns server;
The 6th step: transmit dns server and initiate this domain name mapping request to the dns server in management com.cn territory;
The 7th step: if the dns server in management com.cn territory can't be resolved, then return the IP address of the dns server of aaa website to the forwarding dns server;
The 8th step: transmit dns server and obtain the DNS response message of the IP address of carrying this website domain name from the dns server of aaa website, and this DNS response message is returned to local dns server;
The 9th step: local dns server returns to access user with this DNS response message, and access user obtains the IP address of this website domain name from this DNS response message.
Above-mentioned resolving has realized domain name mapping, yet in the first step of said process, local dns server is transmitted dns server with all domain name mapping requests to one that is its service, on the one hand, in case this forwarding server breaks down, corresponding domain name mapping service no longer is provided, then causes whole analysis service of local dns server will occur unusually (also namely can not providing analysis service); On the other hand, during the contracted user of the ISP that does not serve for described local dns server at access user, because ISP(Internet Content Provider, the ICP) mandate DNS for different ISP network settings different analysis results, the analysis result that the final non-optimum of analysis result that obtains of access user may occur, finally cause user's time-delay of surfing the Net to increase the user and experience variation, and bring extra interconnection costs.
Summary of the invention
The embodiment of the invention provides a kind of domain name analytic method, dns server and domain name analysis system, in order to solve domain name mapping of the prior art long, problem that analyzing efficiency is low consuming time.
A kind of domain name analytic method, described method comprises:
Reception is carried domain-name information from the domain name mapping request of client in the domain name analysis request;
Not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information in domain name information, determine the forwarding domain name system DNS server that this domain name mapping request is affiliated;
The domain name analysis request is sent to definite forwarding dns server;
Reception responds from the domain name mapping that described forwarding dns server carries out obtaining after the domain name mapping operation for domain name information, and the domain name resolution response is sent to described client.
A kind of dns server, its described dns server comprises:
The first receiver module is used for receiving the domain name mapping request from client, carries domain-name information in the domain name analysis request;
The first determination module, being used in domain name information is not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information, determines the forwarding domain name system DNS server that this domain name mapping request is affiliated;
The first sending module is used for the domain name analysis request is sent to definite forwarding dns server;
The second receiver module is used for receiving the domain name mapping of carrying out obtaining after the domain name mapping operation for domain name information from described forwarding dns server and responds;
The second sending module is used for the domain name resolution response is sent to described client.
A kind of domain name analysis system, the domain name resolution system comprises: dns server, forwarding dns server and client;
Described dns server, be used for receiving the domain name mapping request from client, carry domain-name information in the domain name analysis request, not home domain name and local when not having the buffer memory domain name mapping corresponding with domain name information to respond in domain name information, determine the forwarding domain name system DNS server that this domain name mapping request is affiliated, the domain name analysis request is sent to definite forwarding dns server, and acceptance domain name analysis response, and the domain name resolution response sent to described client;
Described forwarding dns server be used for to receive the domain name analysis request, and after the domain-name information that carries in the domain name analysis request carried out the domain name mapping operation, the domain name mapping response that obtains is sent to described dns server.
The embodiment of the invention provides a kind of domain name analytic method, dns server and domain name analysis system, under being distributed this domain name mapping request, different domain name mapping requests transmits dns server, targetedly domain name mapping is carried out in one's own domain name mapping request so that respectively transmit dns server, and then avoided restrictive condition between the different I SP, accelerated domain name mapping speed, shorten so that domain name mapping is consuming time, analyzing efficiency improves.
Description of drawings
The domain name analytic method schematic flow sheet that Fig. 1 provides for the embodiment of the invention one;
The structural representation of the dns server that Fig. 2 provides for the embodiment of the invention two;
The domain name analysis system structural representation that Fig. 3 provides for the embodiment of the invention three.
Embodiment
Below by specific embodiment the solution of the present invention is elaborated.
Embodiment one
As shown in Figure 1, it is the domain name analytic method schematic diagram in the embodiment of the invention one, said method comprising the steps of:
Step 101:DNS server receives the domain name mapping request from client, carries domain-name information in the domain name analysis request.
In this step 101, when the dns address that arranges in the client NIC attribute is the address of described dns server, when client need to be accessed a certain website, will send the domain name mapping request to described dns server, carry the domain-name information of this website in this domain name mapping request.
Step 102: be not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information in domain name information, determine the forwarding dns server that this domain name mapping request is affiliated.
Dns server can be determined the ISP that client is contracted in the following manner:
The first step: according to the client ip address that carries in the domain name analysis request and domain-name information, determine the buffer memory section that this domain name mapping request is affiliated;
In the implementation, can realize setting the corresponding relation of client source IP network section and domain-name information and buffer memory section, according to this corresponding relation, search client ip address and the corresponding buffer memory of the domain-name information section of carrying in the domain name analysis request, with the buffer memory section that finds as the buffer memory section under this domain name mapping request.
Second step: according to buffer memory section and the corresponding relation of transmitting dns server, determine that forwarding dns server corresponding to buffer memory section under this domain name mapping request is the forwarding dns server under this domain name mapping request.
Step 103:DNS server is sent to definite forwarding dns server with the domain name analysis request.
In this step 103, if dns server has been determined a plurality of forwarding dns servers, then in confirmable a plurality of dns server at random select one, the domain name analysis request is sent to the dns server of selecting, also can adopt the mode of poll, the domain name analysis request is sent to the dns server that this is polled to, for example: the number of supposing definite forwarding dns server is 3, be respectively dns server 1, dns server 2 and dns server 3, the order of poll is: dns server 1 → dns server 2 → dns server 3 → dns server 1, when be sent to dns server 3 with the domain name mapping request last time, this was sent to dns server 1 with the domain name analysis request in the step 103.
More excellent, when a plurality of forwarding dns server of described buffer memory section correspondence, the domain name analysis request is sent to definite forwarding dns server is specially:
The first step: transmit the weighted value of dns server, dns server is transmitted in one of the selection of poll from described a plurality of forwarding dns servers of determining according to each;
Second step: the domain name analysis request is sent to the forwarding dns server of selection, and the weighted value of described forwarding dns server is according to this forwarding dns server the disposal ability of domain name mapping request to be determined.
For example: suppose corresponding 3 the forwarding DNS service of buffer memory section, be respectively and transmit dns server 1, transmit dns server 2 and transmit dns server 3, the weight of transmitting dns server 1 is 3, the weight of transmitting dns server 2 is 1, the weight of transmitting dns server 3 is 1, then according to weighted value to each transmit dns server carry out poll order can for: transmit dns server 1 → forwarding dns server 1 → forwarding dns server 1 → forwarding dns server 2 → forwarding dns server 3 → forwarding dns server 1 → forwarding dns server 1 → forwarding dns server 1, when be sent to forwarding dns server 2 with the domain name mapping request last time, this was sent to the domain name analysis request in the step 103 and transmits dns server 1.
More excellent, when a plurality of forwarding dns server of described buffer memory section correspondence, the domain name analysis request is sent to definite forwarding dns server is specially:
The first step: transmit the weighted value of dns server, default interval is divided into each value subinterval, one of them transmits the corresponding value subinterval of dns server based on each;
Second step: in described interval, choose at random a numerical value;
The 3rd step: in each value subinterval of dividing, the value subinterval under the numerical value of determining to choose at random;
The 4th step: the domain name analysis request is sent the forwarding dns server that the value subinterval of determining is corresponding.
For example, suppose corresponding 3 the forwarding DNS service of buffer memory section, be respectively and transmit dns server 1, transmit dns server 2 and transmit dns server 3, the weight of transmitting dns server 1 is 3, the weight of transmitting dns server 2 is 1, the weight of transmitting dns server 3 is 1, default interval is (0, the subinterval of 1], transmitting dns server 1 correspondence be (0,0.6], the subinterval of transmitting dns server 2 correspondences is (0.6,0.8], the subinterval of transmitting dns server 3 correspondences be (0.8,1], for the domain name analysis request in the step 103, in (0,1), choose at random a numerical value, determine that then this numerical value is to belong to (0,0.6], (0.6,0.8], still belong to (0.8,1], belong to (0 if determine this numerical value, 0.6], then the domain name analysis request is sent to (0,0.6] forwarding dns server 1 corresponding to this subinterval; If determine this numerical value belong to (0.6,0.8], then the domain name analysis request is sent to (0.6,0.8] forwarding dns server 2 corresponding to this subinterval; If determine this numerical value belong to (0.8,1], then the domain name analysis request is sent to (0.8,1] forwarding dns server 1 corresponding to this subinterval; Because (0,1] in the numerical value chosen at random belong to (0,0.6] probability be 60%, belong to (0.6,0.8] probability be 20%, belong to (0.8,1] probability is 20%, so just the domain name mapping request can be distributed according to each weighted value of transmitting dns server.
Step 104:DNS server receives the domain name mapping of carrying out obtaining after the domain name mapping operation for domain name information from described forwarding dns server and responds, and the domain name resolution response is sent to described client.
In this step 104, transmit dns server and carry out corresponding domain name mapping request work, obtain to respond for the domain name mapping of domain name analysis request by follow-up recursive query, and the domain name mapping response that obtains is sent to dns server.
In the scheme of the embodiment of the invention one, if local ISP is simultaneously when providing the DNS service from mobile network and subscribers to telecommunication network, can utilize the solution of the present invention to realize that dns server will be respectively be sent to respectively forwarding dns server in the communication network and the forwarding dns server in the mobile network from the request of subscribers to telecommunication network and mobile network user, to obtain different analysis results, realize separately optimum the parsing.Yet in the prior art, subscribers to telecommunication network and mobile network user can receive simultaneously that ICP is the analysis result that subscribers to telecommunication network is set, and this analysis result is for subscribers to telecommunication network and Yan Shiyou, and the non-optimum of mobile network user.
More excellent, dns server is surveyed each state of transmitting dns server in the process of carrying out above-mentioned domain name mapping in real time or periodically, and described state comprises the availability of viability and service;
Determine respectively whether each state of transmitting dns server changes;
At the state of transmitting dns server by survival and serve and availablely change inactivation into or serve when unavailable, this is transmitted the corresponding relation deletion of dns server and buffer memory section, and when comprising survival in the corresponding buffer memory of this forwarding dns server section and serving available a plurality of forwarding dns server, adjust the weighted value of surviving and serving available a plurality of forwarding dns servers;
But at the state of transmitting dns server by inactivation or serve unavailable changing into survival and service time spent, foundation will be transmitted the corresponding relation of dns server and buffer memory section, and when comprising at least one survival and serving available forwarding dns server in the corresponding buffer memory of this forwarding dns server section, adjust survival and serve the available weighted value of respectively transmitting dns server.
Constantly dns server is initiated various viability and availability is surveyed to transmitting to utilize dns server, realizes for the status checkout of transmitting dns server.As adopt ICMP message packet check main frame whether to survive, employing initiatively sends the DNS service message or denial of service confirms whether SYN-ACK message check dns resolution business is available.
In the scheme of the embodiment of the invention one, because the client ip address and the domain-name information that carry in the domain name mapping request of dns server according to the client transmission, determine the buffer memory section that this domain name mapping request is affiliated, the domain name mapping request is sent to forwarding dns server corresponding to definite buffer memory section, realized the effective distribution to the domain name mapping request, and then avoided restrictive condition between the different I SP, accelerated domain name mapping speed, shorten so that domain name mapping is consuming time, analyzing efficiency improves; According to each weight of transmitting dns server the domain name analysis request is sent to corresponding forwarding dns server simultaneously, has further improved domain name mapping speed and analyzing efficiency,, improved user's experience; In addition, existing state and the usable service condition of transmitting dns server are monitored, guarantee that the professional forwarding process of DNS normally carries out.
Embodiment two
Based on the same design of the embodiment of the invention one, a kind of dns server is provided in the embodiment of the invention two, these dns server 100 structural representations comprise as shown in Figure 2: the first receiver module 11, the first determination module 12, the first sending module 13, the second receiver module 14, the second sending module 15.
The first receiver module 11 is used for receiving the domain name mapping request from client, carries domain-name information in the domain name analysis request;
The first determination module 12, being used in domain name information is not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information, determines the forwarding domain name system DNS server that this domain name mapping request is affiliated;
The first sending module 13 is used for the domain name analysis request is sent to definite forwarding dns server;
The second receiver module 14 is used for receiving the domain name mapping of carrying out obtaining after the domain name mapping operation for domain name information from described forwarding dns server and responds;
The second sending module 15 is used for the domain name resolution response is sent to described client.
More excellent, described the first determination module 12, IP address and the domain-name information of concrete client for carrying according to the domain name analysis request, determine the buffer memory section that this domain name mapping request is affiliated, according to buffer memory section and the corresponding relation of transmitting dns server, determine that forwarding dns server corresponding to buffer memory section under this domain name mapping request is the forwarding dns server under this domain name mapping request.
More excellent, described the first determination module 12, concrete being used for when a plurality of forwarding dns server of described buffer memory section correspondence, transmit the weighted value of dns server according to each, dns server is transmitted in one of the selection of poll from described a plurality of forwarding dns servers of determining, and the domain name analysis request is sent to the forwarding dns server of selection, the weighted value of described forwarding dns server is according to transmitting dns server the disposal ability of domain name mapping request to be determined.
Described dns server also comprises:
Detecting module 16 is used for the state of each forwarding dns server is surveyed, and described state comprises the availability of viability and service;
The second determination module 17 is used for the result of detection according to detecting module, determines respectively whether each state of transmitting dns server changes;
Weighted value adjusting module 18, be used at the state of transmitting dns server by survival and serve and availablely change inactivation into or serve when unavailable, this is transmitted the corresponding relation deletion of dns server and buffer memory section, and when comprising survival in the corresponding buffer memory of this forwarding dns server section and serving available a plurality of forwarding dns server, adjust the weighted value of surviving and serving available a plurality of forwarding dns servers; But at the state of transmitting dns server by inactivation or serve unavailable changing into survival and service time spent, foundation will be transmitted the corresponding relation of dns server and buffer memory section, and when comprising at least one survival and serving available forwarding dns server in the corresponding buffer memory of this forwarding dns server section, adjust survival and serve the available weighted value of respectively transmitting dns server.
Embodiment three
As shown in Figure 3, it is the dns server structural representation in the embodiment of the invention three, and the domain name resolution system comprises: dns server 21 and forwarding dns server 22.
Dns server 21, be used for receiving the domain name mapping request from client, carry domain-name information in the domain name analysis request, not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information in domain name information, determine the forwarding dns server that this domain name mapping request is affiliated; The domain name analysis request is sent to definite forwarding dns server, and acceptance domain name analysis response, and the domain name resolution response is sent to described client;
Transmit dns server 22, be used for receiving the domain name analysis request, and after the domain-name information that carries in the domain name analysis request carried out the domain name mapping operation, the domain name mapping response that obtains is sent to described dns server.
More excellent, described dns server 21, IP address and the domain-name information of concrete client for carrying according to the domain name analysis request are determined the buffer memory section that this domain name mapping request is affiliated; According to buffer memory section and the corresponding relation of transmitting dns server, determine that forwarding dns server corresponding to buffer memory section under this domain name mapping request is the forwarding dns server under this domain name mapping request.
More excellent, described dns server 21, concrete being used for when a plurality of forwarding dns server of described buffer memory section correspondence, transmit the weighted value of dns server according to each, dns server is transmitted in one of the selection of poll from described a plurality of forwarding dns servers of determining, and the domain name analysis request is sent to the forwarding dns server of selection, the weighted value of described forwarding dns server is according to transmitting dns server the disposal ability of domain name mapping request to be determined.
More excellent, described dns server, also be used for the state of each forwarding dns server is surveyed, described state comprises the availability of viability and service, determine respectively whether each state of transmitting dns server changes, at the state of transmitting dns server by survival and serve and availablely change inactivation into or serve when unavailable, this is transmitted the corresponding relation deletion of dns server and buffer memory section, and when comprising survival in the corresponding buffer memory of this forwarding dns server section and serving available a plurality of forwarding dns server, adjust the weighted value of surviving and serving available a plurality of forwarding dns servers, but at the state of transmitting dns server by inactivation or serve unavailable changing into survival and service time spent, foundation will be transmitted the corresponding relation of dns server and buffer memory section, and when comprising at least one survival and serving available forwarding dns server in the corresponding buffer memory of this forwarding dns server section, adjust survival and serve the available weighted value of respectively transmitting dns server.
Those skilled in the art should understand that embodiments of the invention can be provided as method, system or computer program.Therefore, the present invention can adopt complete hardware implementation example, complete implement software example or in conjunction with the form of the embodiment of software and hardware aspect.And the present invention can adopt the form of the computer program of implementing in one or more computer-usable storage medium (including but not limited to magnetic disc store, CD-ROM, optical memory etc.) that wherein include computer usable program code.
The present invention is that reference is described according to flow chart and/or the block diagram of method, equipment (system) and the computer program of the embodiment of the invention.Should understand can be by the flow process in each flow process in computer program instructions realization flow figure and/or the block diagram and/or square frame and flow chart and/or the block diagram and/or the combination of square frame.Can provide these computer program instructions to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing device producing a machine, so that the instruction of carrying out by the processor of computer or other programmable data processing device produces the device of the function that is used for being implemented in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame appointments.
These computer program instructions also can be stored in energy vectoring computer or the computer-readable memory of other programmable data processing device with ad hoc fashion work, so that the instruction that is stored in this computer-readable memory produces the manufacture that comprises command device, this command device is implemented in the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame.
These computer program instructions also can be loaded on computer or other programmable data processing device, so that carry out the sequence of operations step producing computer implemented processing at computer or other programmable devices, thereby be provided for being implemented in the step of the function of appointment in flow process of flow chart or a plurality of flow process and/or square frame of block diagram or a plurality of square frame in the instruction that computer or other programmable devices are carried out.
Although described the preferred embodiments of the present invention, in a single day those skilled in the art get the basic creative concept of cicada, then can make other change and modification to these embodiment.So claims are intended to all changes and the modification that are interpreted as comprising preferred embodiment and fall into the scope of the invention.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. a domain name analytic method is characterized in that, described method comprises:
Reception is carried domain-name information from the domain name mapping request of client in the domain name analysis request;
Not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information in domain name information, determine the forwarding domain name system DNS server that this domain name mapping request is affiliated;
The domain name analysis request is sent to definite forwarding dns server;
Reception responds from the domain name mapping that described forwarding dns server carries out obtaining after the domain name mapping operation for domain name information, and the domain name resolution response is sent to described client.
2. domain name analytic method as claimed in claim 1 is characterized in that, the described forwarding dns server of determining that this client is affiliated is specially:
According to the client ip address that carries in the domain name analysis request and domain-name information, determine the buffer memory section that this domain name mapping request is affiliated;
According to buffer memory section and the corresponding relation of transmitting dns server, determine that forwarding dns server corresponding to buffer memory section under this domain name mapping request is the forwarding dns server under this domain name mapping request.
3. domain name analytic method as claimed in claim 2 is characterized in that, when a plurality of forwarding dns server of described buffer memory section correspondence, the domain name analysis request is sent to definite forwarding dns server is specially:
Transmit the weighted value of dns server according to each, dns server is transmitted in one of the selection of poll from described a plurality of forwarding dns servers of determining, and the domain name analysis request is sent to the forwarding dns server of selection, the weighted value of described forwarding dns server is according to this forwarding dns server the disposal ability of domain name mapping request to be determined.
4. domain name analytic method as claimed in claim 3 is characterized in that, described method also comprises:
Each state of transmitting dns server is surveyed, and described state comprises the availability of viability and service;
Determine respectively whether each state of transmitting dns server changes;
At the state of transmitting dns server by survival and serve and availablely change inactivation into or serve when unavailable, this is transmitted the corresponding relation deletion of dns server and buffer memory section, and when comprising survival in the corresponding buffer memory of this forwarding dns server section and serving available a plurality of forwarding dns server, adjust the weighted value of surviving and serving available a plurality of forwarding dns servers;
But at the state of transmitting dns server by inactivation or serve unavailable changing into survival and service time spent, foundation will be transmitted the corresponding relation of dns server and buffer memory section, and when comprising at least one survival and serving available forwarding dns server in the corresponding buffer memory of this forwarding dns server section, adjust survival and serve the available weighted value of respectively transmitting dns server.
5. a dns server is characterized in that, described dns server comprises:
The first receiver module is used for receiving the domain name mapping request from client, carries domain-name information in the domain name analysis request;
The first determination module, being used in domain name information is not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information, determines the forwarding domain name system DNS server that this domain name mapping request is affiliated;
The first sending module is used for the domain name analysis request is sent to definite forwarding dns server;
The second receiver module is used for receiving the domain name mapping of carrying out obtaining after the domain name mapping operation for domain name information from described forwarding dns server and responds;
The second sending module is used for the domain name resolution response is sent to described client.
6. dns server as claimed in claim 5 is characterized in that,
Described the first determination module, concrete client ip address and domain-name information for carrying according to the domain name analysis request, determine the buffer memory section that this domain name mapping request is affiliated, according to buffer memory section and the corresponding relation of transmitting dns server, determine that forwarding dns server corresponding to buffer memory section under this domain name mapping request is the forwarding dns server under this domain name mapping request.
7. dns server as claimed in claim 6 is characterized in that,
Described the first determination module, concrete being used for when a plurality of forwarding dns server of described buffer memory section correspondence, transmit the weighted value of dns server according to each, dns server is transmitted in one of the selection of poll from described a plurality of forwarding dns servers of determining, and the domain name analysis request is sent to the forwarding dns server of selection, the weighted value of described forwarding dns server is according to transmitting dns server the disposal ability of domain name mapping request to be determined.
8. dns server as claimed in claim 7 is characterized in that, described dns server also comprises:
Detecting module is used for the state of each forwarding dns server is surveyed, and described state comprises the availability of viability and service;
The second determination module is used for the result of detection according to detecting module, determines respectively whether each state of transmitting dns server changes;
The weighted value adjusting module, be used at the state of transmitting dns server by survival and serve and availablely change inactivation into or serve when unavailable, this is transmitted the corresponding relation deletion of dns server and buffer memory section, and when comprising survival in the corresponding buffer memory of this forwarding dns server section and serving available a plurality of forwarding dns server, adjust the weighted value of surviving and serving available a plurality of forwarding dns servers; But at the state of transmitting dns server by inactivation or serve unavailable changing into survival and service time spent, foundation will be transmitted the corresponding relation of dns server and buffer memory section, and when comprising at least one survival and serving available forwarding dns server in the corresponding buffer memory of this forwarding dns server section, adjust survival and serve the available weighted value of respectively transmitting dns server.
9. a domain name analysis system is characterized in that, the domain name resolution system comprises: dns server and forwarding dns server;
Described dns server, be used for receiving the domain name mapping request from client, carry domain-name information in the domain name analysis request, not home domain name and local when not having the buffer memory domain name mapping response corresponding with domain name information in domain name information, determine the forwarding dns server that this domain name mapping request is affiliated; The domain name analysis request is sent to definite forwarding dns server, and acceptance domain name analysis response, and the domain name resolution response is sent to described client;
Described forwarding dns server be used for to receive the domain name analysis request, and after the domain-name information that carries in the domain name analysis request carried out the domain name mapping operation, the domain name mapping response that obtains is sent to described dns server.
10. domain name analysis system as claimed in claim 9 is characterized in that,
Described dns server, IP address and the domain-name information of concrete client for carrying according to the domain name analysis request are determined the buffer memory section that this domain name mapping request is affiliated; According to buffer memory section and the corresponding relation of transmitting dns server, determine that forwarding dns server corresponding to buffer memory section under this domain name mapping request is the forwarding dns server under this domain name mapping request.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210541593.3A CN103051740B (en) | 2012-12-13 | 2012-12-13 | Domain name analytic method, dns server and domain name analysis system |
Applications Claiming Priority (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040039798A1 (en) * | 1999-03-03 | 2004-02-26 | Ultradns, Inc. | Domain name resolution system and method |
| CN101431539A (en) * | 2008-12-11 | 2009-05-13 | 华为技术有限公司 | Domain name resolution method, system and apparatus |
| CN101841577A (en) * | 2010-06-07 | 2010-09-22 | 中兴通讯股份有限公司 | Method and device for implementing domain name resolution agent function |
| CN102572014A (en) * | 2012-03-07 | 2012-07-11 | 华为终端有限公司 | Message processing method and device and system thereof |
| CN102790809A (en) * | 2011-05-16 | 2012-11-21 | 奇智软件（北京）有限公司 | Domain name system resolution method, device and client |
-
2012
- 2012-12-13 CN CN201210541593.3A patent/CN103051740B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040039798A1 (en) * | 1999-03-03 | 2004-02-26 | Ultradns, Inc. | Domain name resolution system and method |
| CN101431539A (en) * | 2008-12-11 | 2009-05-13 | 华为技术有限公司 | Domain name resolution method, system and apparatus |
| CN101841577A (en) * | 2010-06-07 | 2010-09-22 | 中兴通讯股份有限公司 | Method and device for implementing domain name resolution agent function |
| CN102790809A (en) * | 2011-05-16 | 2012-11-21 | 奇智软件（北京）有限公司 | Domain name system resolution method, device and client |
| CN102572014A (en) * | 2012-03-07 | 2012-07-11 | 华为终端有限公司 | Message processing method and device and system thereof |
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