CN106888268A - A kind of analysis method and device of domain name - Google Patents
A kind of analysis method and device of domain name Download PDFInfo
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- CN106888268A CN106888268A CN201710184233.5A CN201710184233A CN106888268A CN 106888268 A CN106888268 A CN 106888268A CN 201710184233 A CN201710184233 A CN 201710184233A CN 106888268 A CN106888268 A CN 106888268A
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- analysis result
- domain name
- predetermined server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/45—Network directories; Name-to-address mapping
- H04L61/4505—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols
- H04L61/4511—Network directories; Name-to-address mapping using standardised directories; using standardised directory access protocols using domain name system [DNS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
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- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer And Data Communications (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The present invention provides a kind of analysis method and device of domain name, and methods described includes：When DNS request message is received, parse the DNS request message and obtain domain name to be resolved；Determine a target analysis result at least one analysis result corresponding with the domain name to be resolved for analytically being recorded in the results list, the at least one analysis result correspondence is obtained by the parsing of different predetermined servers, and the different predetermined servers adhere to different operators separately；The target analysis result is sent to client.Using the embodiment of the present invention, when the DNS request message for largely carrying identical domain name to be resolved is received, solve the problems, such as that the corresponding line load of single operator is overweight, while improve the delivery efficiency of load-balancing device.
Description
Technical field
The present invention relates to network communication technology field, more particularly to a kind of analysis method and device of domain name.
Background technology
Generally, when not existing analysis result corresponding with domain name to be resolved on Intranet dns server, load-balancing device
DNS request message is forwarded on the server in public network, DNS request message is parsed by the server, parsed
As a result, so that client realizes the actions such as web access based on the analysis result.
In the prior art, parsed on the server that generally different operators of the same domain name to be resolved in public network are provided
To different analysis results, but because dns server is cached to domain name to be resolved and a target analysis result, the target
Analysis result is obtained by the server parsing that an operator provides, therefore before the target analysis result is aging, is largely taken
DNS request message with identical domain name to be resolved can get identical target analysis result from caching, and client is to the fortune
Present in battalion business, server corresponding with the target analysis result conducts interviews, and the server that other operators provide is in
While idle so that the line load of the corresponding operator of target analysis result is overweight, the output effect of load-balancing device
Rate is low.
The content of the invention
In view of this, the present invention provides a kind of analysis method and device of domain name, identical waits to solve when to receive largely carry
It is overweight to solve the corresponding line load of single operator when analysing the DNS request message of domain name, the output effect of load-balancing device
The low problem of rate.
To achieve the above object, present invention offer technical scheme is as follows：
According to the first aspect of the invention, it is proposed that a kind of analytic method of domain name, methods described includes：
When DNS request message is received, parse the DNS request message and obtain domain name to be resolved；
Determine one at least one analysis result corresponding with the domain name to be resolved for analytically being recorded in the results list
Individual target analysis result, at least one analysis result correspondence is obtained by the parsing of different predetermined servers, described different default
Server adheres to different operators separately；
The target analysis result is sent to client.
According to the second aspect of the invention, it is proposed that a kind of resolver of domain name, including：
Request message parsing module, is treated for when DNS request message is received, parsing the DNS request message
Parsing domain name；
Analysis result determining module, solves for being recorded in analytically the results list with the request message parsing module
A target analysis result, described at least one are determined in corresponding at least one analysis result of domain name described to be resolved that analysis is obtained
Individual analysis result correspondence is obtained by the parsing of different predetermined servers, and the different predetermined servers adhere to different operators separately；
Analysis result sending module, for sending the target determined in the analysis result determining module to client
Analysis result.
From above technical scheme, at least one parsing corresponding with domain name to be resolved is have recorded in analysis result list
As a result, at least one analysis result correspondence is obtained by the parsing of different predetermined servers, and different predetermined servers adhere to different fortune separately
Battalion business, based on analysis result list, load-balancing device can timely respond to the corresponding analysis result of domain name to be resolved, and when negative
When load balancing equipment receives the DNS request message for largely carrying identical domain name to be resolved, single operator is solved corresponding
The overweight problem of line load, and then improve the delivery efficiency of load-balancing device.
Brief description of the drawings
Fig. 1 is the network architecture diagram that is applicable of analytic method of the domain name that the present invention is provided；
Fig. 2 is the embodiment flow chart for the analytic method of domain name that the present invention is provided；
Fig. 3 is the embodiment flow chart of the analytic method of another domain name that the present invention is provided；
Fig. 4 is the embodiment flow chart of the analytic method of another domain name that the present invention is provided；
Fig. 5 is a kind of hardware structure diagram of load-balancing device that the present invention is provided；
Fig. 6 is the embodiment block diagram of the resolver for domain name that the present invention is provided；
Fig. 7 is the embodiment block diagram of the resolver of another domain name that the present invention is provided.
Specific embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in implementation method do not represent and the consistent all implementation methods of the present invention.Conversely, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects being described in detail in claims, of the invention.
It is the purpose only merely for description specific embodiment in terminology used in the present invention, and is not intended to be limiting the present invention.
" one kind ", " described " and " being somebody's turn to do " of singulative used in the present invention and appended claims is also intended to include majority
Form, unless context clearly shows that other implications.It is also understood that term "and/or" used herein refers to and wraps
May be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the present invention
A little information should not necessarily be limited by these terms.These terms are only used for being distinguished from each other open same type of information.For example, not departing from
In the case of the scope of the invention, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on linguistic context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determining ".
Fig. 1 is the network architecture diagram that is applicable of analytic method of the domain name that the present invention is provided, as shown in figure 1, the network rack
Composition includes：Predetermined server 11, predetermined server 12, predetermined server 13, carrier network 14, carrier network 15,
Carrier network 16, load-balancing device 17, client 18.Wherein, predetermined server 11, predetermined server 12, preset service
Device 13 is with domain name system (Domain Name in carrier network 14, carrier network 15, carrier network 16
System, referred to as DNS) analytical capabilities server, carrier network 14, carrier network 15, carrier network 16 are for example
Operator A, operator B, operator C are corresponded to respectively；Load-balancing device 17 is that the load balancing with DNS cache function sets
Standby, in the network architecture of another embodiment, load-balancing device 17 could be replaced with the DNS clothes of load-balancing function
Business device；Client 18 is arranged on personal computer (Personal Computer, PC), and client 11 can also be arranged on hand
On the terminal devices such as machine, panel computer, intelligent watch.Generally, when load-balancing device 17 receives the DNS of the transmission of client 18
During request message, the parsing DNS request message of load-balancing device 17 obtains domain name to be resolved.Load-balancing device 17 is analytically tied
A target analysis result is determined at least one analysis result corresponding with domain name to be resolved recorded in fruit list, with least
One analysis result is 3 analysis results, and 3 analysis results correspondence is by predetermined server 11, predetermined server 12, predetermined server
As a example by 13 parsings are obtained, 3 parsings corresponding with domain name to be resolved that load-balancing device 17 is analytically recorded in the results list
A target analysis result, the service that 3 analysis results are provided by operator A, operator B, operator C respectively are determined in result
Device parsing is obtained.Load-balancing device 17 sends target analysis result to client 18.By the embodiment of the present invention, load balancing
Equipment 17 combines load-balancing function and DNS cache function, saves equipment expense, maintains easily management；Based on analysis result
List, load-balancing device 17 can timely respond to the corresponding analysis result of domain name to be resolved, and when load-balancing device 17 connects
When receiving the DNS request message for largely carrying identical domain name to be resolved, the corresponding line load of single operator is solved overweight
Problem, and then improve the delivery efficiency of load-balancing device.
Fig. 2 is the embodiment flow chart for the analytic method of domain name that the present invention is provided, and exemplary theory is carried out with reference to Fig. 1
It is bright, as shown in Fig. 2 comprising the following steps：
Step 201：When DNS request message is received, parsing DNS request message obtains domain name to be resolved.
Step 202：In at least one analysis result corresponding with domain name to be resolved for analytically being recorded in the results list really
A fixed target analysis result, at least one analysis result correspondence is obtained by the parsing of different predetermined servers, different preset services
Device adheres to different operators separately.
Step 203：Target analysis result is sent to client.
In step 201, in one embodiment, when load-balancing device 17 receives the DNS request of the transmission of client 18
During message, the parsing DNS request message of load-balancing device 17 obtains domain name to be resolved, and domain name to be resolved is, for example, www.a.com.
Wherein, the parsing of load-balancing device 17 DNS request message obtains the process of domain name to be resolved and refers to prior art associated description,
It is not described further herein.
In step 202., in one embodiment, analysis result list is used to record at least one domain name to be resolved, at least
Each analysis result of domain name corresponding record at least one to be resolved in one domain name to be resolved, at least one analysis result
Each analysis result correspondence one predetermined server address, additionally, analysis result list is also directed to each analysis result
Have recorded ageing time.At least one analysis result correspondence is obtained by the parsing of different predetermined servers, different predetermined servers point
The different operator of category, as shown in table 1, the structure to analysis result list is illustrative：
Table 1
In table 1, domain name correspondence 1.1.1.1,2.2.2.2,3.3.3.3 to be resolved amount to 3 analysis results, analysis result
1.1.1.1,2.2.2.2,3.3.3.3 respectively correspond to predetermined server address 10.255.165.01,10.255.165.02,
10.255.165.03, analysis result 1.1.1.1,2.2.2.2,3.3.3.3 distinguish corresponding ageing time for 1h, 1.5h,
1.2h.For example, predetermined server address 10.255.165.01,10.255.165.02,10.255.165.03 correspondence preset service
Device 11, predetermined server 12, predetermined server 13, predetermined server 11, predetermined server 12, predetermined server 13 are respectively at
In carrier network 14, carrier network 15, carrier network 16, carrier network 14, carrier network 15, carrier network
16 correspond to operator A, operator B, operator C respectively.Load-balancing device 17 analytically result 1.1.1.1,2.2.2.2,
3.3.3.3 middle to determine a target analysis result, analysis result 1.1.1.1,2.2.2.2,3.3.3.3 are possible to selected.
In step 203, in one embodiment, with reference to step 202, load-balancing device 17 sends target to client 18
Analysis result 2.2.2.2, client 18 is to the corresponding servers of target analysis result 2.2.2.2 present in carrier network 15
Conduct interviews.
In the embodiment of the present invention, at least one parsing knot corresponding with domain name to be resolved is have recorded in analysis result list
Really, at least one analysis result correspondence is obtained by the parsing of different predetermined servers, and different predetermined servers adhere to different operations separately
Business, based on analysis result list, load-balancing device can timely respond to the corresponding analysis result of domain name to be resolved, and when load
When balancing equipment receives the DNS request message for largely carrying identical domain name to be resolved, the corresponding line of single operator is solved
The problem of road overload, and then improve the delivery efficiency of load-balancing device.
Fig. 3 is the embodiment flow chart of the analytic method of another domain name that the present invention is provided, and the embodiment of the present invention is combined
Fig. 1, Fig. 2, on the basis of step 201- steps 203, to how analytically in the results list record with domain name pair to be resolved
One target analysis result of determination, illustrative at least one analysis result answered, as shown in figure 3, including such as
Lower step：
Step 301：Based on load-balancing algorithm, a target line is determined from least one circuit.
Step 302：Based on the operator belonging to target line, will be recording with domain name pair to be resolved in analysis result list
Analysis result corresponding with the operator is defined as target analysis result at least one analysis result answered.
In step 301, it is necessary to illustrate, generally, load-balancing device 17 and carrier network 14, carrier network
15th, there is at least one circuit in carrier network 16 between any carrier network, the embodiment of the present invention is set with load balancing
There are 2 circuits between any carrier network in 17 and carrier network 14, carrier network 15, carrier network 16,
Altogether as a example by 6 circuits, load-balancing device 17 is based on load-balancing algorithm, and a target line is determined from 6 circuits, bears
Carrying equalization algorithm includes：Smallest connection figures method, polling algorithm etc..When load-balancing algorithm figures method for Smallest connection, mesh
Graticule road is the circuit that minimum is loaded in 6 circuits；When load-balancing algorithm is polling algorithm, target line is load balancing
Equipment 17 sequentially determines what is obtained in turn in 6 circuits, is specially which kind of algorithm not to load-balancing algorithm herein
Limit.
In step 302, so that the operator belonging to target line is operator B as an example, with reference to table 1, load-balancing device
17 will in analysis result list record analysis result 1.1.1.1s corresponding with domain name www.a.com to be resolved, 2.2.2.2,
3.3.3.3 the corresponding analysis result 2.2.2.2 of predetermined server address 10.255.165.02 corresponding with operator B determines in
It is target analysis result.
In the embodiment of the present invention, by load-balancing algorithm, load-balancing device 17 can select to adhere to different operators separately
Circuit, it is ensured that while flow is by equilibrium assignment, also cause different operators network also assist in integral dispensing, fully
Using Internet resources.
Fig. 4 is the embodiment flow chart of the analytic method of another domain name that the present invention is provided, and the embodiment of the present invention is combined
How Fig. 1, Fig. 2, Fig. 3, obtain and record to analysis result, illustrative, as shown in figure 4, comprising the following steps：
Step 401：When any analysis result is not recorded in analysis result list, to each in whole predetermined servers
Individual predetermined server sends DNS request message.
Step 402：The DNS response messages that each predetermined server in the whole predetermined servers of parsing is returned, obtain
The corresponding analysis result of each predetermined server in whole predetermined servers.
Step 403：By the corresponding analysis result record of each predetermined server in whole predetermined servers in parsing
In the results list.
Step 404：Each analysis result one ageing time of correspondence recorded in analysis result list, works as analysis result
The one of analysis result recorded in list is when reaching ageing time, to the corresponding preset service of the one of analysis result
Device sends DNS request message.
Step 405：The DNS response messages that the corresponding predetermined server of the one of analysis result is returned are parsed, is obtained
The corresponding analysis result of the corresponding predetermined server of the one of analysis result.
Step 406：By the corresponding analysis result record of the corresponding predetermined server of the one of analysis result in parsing
In the results list.
In step 401, administrative staff will be generally at each in the whole predetermined servers in different operators network
The corresponding predetermined server address record of individual predetermined server in analysis result list, with reference to table 1, with whole predetermined servers
It is predetermined server 11, predetermined server 12, predetermined server 13, predetermined server 11, predetermined server 12, predetermined server
13 corresponding predetermined server addresses are respectively as a example by 10.255.165.01,10.255.165.02,10.255.165.03, when
When not recording any analysis result in analysis result list, load-balancing device 17 is based on predetermined server address
10.255.165.01,10.255.165.02,10.255.165.03, to predetermined server 11, predetermined server 12, default clothes
Each predetermined server in business device 13 sends DNS request message.
In step 402, with reference to step 401, load-balancing device 17 parsing predetermined server 11, predetermined server 12,
The DNS response messages that each predetermined server in predetermined server 13 is returned, obtain predetermined server 11, predetermined server
12nd, each predetermined server corresponding analysis result 1.1.1.1,2.2.2.2,3.3.3.3 in predetermined server 13.
In step 403, with reference to table 1, load-balancing device 17 is by predetermined server 11, predetermined server 12, default clothes
Each predetermined server corresponding analysis result 1.1.1.1,2.2.2.2,3.3.3.3 in business device 13 are recorded in analysis result
In list.
In step 404, with reference to table 1, in analysis result list also directed to record analysis result 1.1.1.1,
2.2.2.2,3.3.3.3 corresponding records ageing time 1h, 1.5h, 1.2h, with analysis result 1.1.1.1 reaches ageing time 1h
As a example by, load-balancing device 17 sends DNS request message to the corresponding predetermined servers 11 of analysis result 1.1.1.1.
In step 405, the DNS for being returned with reference to the parsing predetermined server 11 of step 404 load-balancing device 17 responds report
Text, obtains the corresponding analysis result 1.1.1.1 of predetermined server 11.
In a step 406, analysis result 1.1.1.1 is again recorded in parsing with reference to step 405 load-balancing device 17
In the results list.
In the embodiment of the present invention, preset by whole of the record in different operators network in analysis result list
The predetermined server address of server, it is ensured that load-balancing device 17 is based on different predetermined server address correspondences and is adhered to separately
The analysis result of different operators, while when analysis result occurs aging, load-balancing device 17 is again based on preset service
The device address acquisition aging analysis result, it is ensured that there is the analysis result for adhering to different operators separately in analysis result list, from
And realize that the DNS request message for largely carrying identical domain name to be resolved is allocated different target analysis results, solves
The overweight problem of the corresponding line load of single operator, and then improve the delivery efficiency of load-balancing device.
Corresponding to the analytic method of above-mentioned domain name, the invention allows for the hardware knot of the load-balancing device shown in Fig. 5
Composition.Refer to Fig. 5, in hardware view, the load-balancing device include processor, internal bus, network interface, internal memory and
Nonvolatile memory, the hardware required for other business are also possible that certainly.Processor is read from nonvolatile memory
Corresponding computer program to then operation in internal memory is taken, the resolver of domain name is formed on logic level.Certainly, except soft
Outside part implementation, the present invention is not precluded from other implementations, such as mode of logical device or software and hardware combining etc.
Deng, that is to say, that the executive agent of following handling process is not limited to each logic unit, or hardware or logic device
Part.
Fig. 6 is the embodiment block diagram of the resolver for domain name that the present invention is provided, as shown in fig. 6, the solution of the domain name
Analysis apparatus can include：Request message parsing module 61, analysis result determining module 62, analysis result sending module 63, wherein：
Request message parsing module 61, for when DNS request message is received, parsing DNS request message to obtain waiting to solve
Analysis domain name；
Analysis result determining module 62, solves for being recorded in analytically the results list with request message parsing module 61
A target analysis result, at least one parsing knot are determined in corresponding at least one analysis result of domain name to be resolved that analysis is obtained
Fruit correspondence is obtained by the parsing of different predetermined servers, and different predetermined servers adhere to different operators separately；
Analysis result sending module 63, parses for sending the target determined in analysis result determining module 62 to client
As a result.
Fig. 7 is the embodiment block diagram of the resolver of another domain name that the present invention is provided, as shown in fig. 7, in above-mentioned Fig. 6
On the basis of illustrated embodiment, analysis result determining module 62 includes：
Target line determination sub-module 621, for based on load-balancing algorithm, a mesh being determined from least one circuit
Graticule road；
Analysis result determination sub-module 622, for based on the target line institute determined in target line determination sub-module 621
The operator of category, with the operation at least one analysis result corresponding with domain name to be resolved that will be recorded in analysis result list
The corresponding analysis result of business is defined as target analysis result.
In one embodiment, the resolver of domain name also includes：
First message sending module 64, for when any analysis result is not recorded in analysis result list, to all pre-
If each predetermined server in server sends DNS request message；
First packet parsing module 65, for parse the first message sending module 64 in whole predetermined servers in it is every
The DNS response messages that one predetermined server is returned, each predetermined server obtained in whole predetermined servers is corresponding
Analysis result；
First result logging modle 66, for will be each in the whole predetermined servers in the first packet parsing module 65
The corresponding analysis result record of individual predetermined server is in analysis result list.
In one embodiment, the resolver of domain name also includes：
Second message sending module 67, each analysis result correspondence one for being recorded in analysis result list is aging
Time, when the one of analysis result recorded in analysis result list reaches ageing time, to one of parsing knot
Really corresponding predetermined server sends DNS request message；
Second packet parsing module 68, for parsing the one of analysis result pair in the second message sending module 67
The DNS response messages that the predetermined server answered is returned, obtain the corresponding predetermined server of the one of analysis result corresponding
Analysis result；
Second result logging modle 69, for the one of analysis result in the second packet parsing module 68 is corresponding
The corresponding analysis result of predetermined server record in analysis result list.
The function of unit and the implementation process of effect correspond to step in specifically referring to the above method in said apparatus
Implementation process, will not be repeated here.
For device embodiment, because it corresponds essentially to embodiment of the method, so related part is referring to method reality
Apply the part explanation of example.Device embodiment described above is only schematical, wherein described as separating component
The unit of explanation can be or may not be physically separate, and the part shown as unit can be or can also
It is not physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Can be according to reality
Selection some or all of module therein is needed to realize the purpose of the present invention program.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
As seen from the above-described embodiment, at least one parsing knot corresponding with domain name to be resolved is have recorded in analysis result list
Really, at least one analysis result correspondence is obtained by the parsing of different predetermined servers, and different predetermined servers adhere to different operations separately
Business, based on analysis result list, load-balancing device can timely respond to the corresponding analysis result of domain name to be resolved, and when load
When balancing equipment receives the DNS request message for largely carrying identical domain name to be resolved, the corresponding line of single operator is solved
The problem of road overload, and then improve the delivery efficiency of load-balancing device.
Those skilled in the art considering specification and after putting into practice invention disclosed herein, will readily occur to it is of the invention its
Its embodiment.It is contemplated that cover any modification of the invention, purposes or adaptations, these modifications, purposes or
Person's adaptations follow general principle of the invention and including undocumented common knowledge in the art of the invention
Or conventional techniques.Description and embodiments are considered only as exemplary, and true scope and spirit of the invention are by following
Claim is pointed out.
Also, it should be noted that term " including ", "comprising" or its any other variant be intended to nonexcludability
Comprising so that process, method, commodity or equipment including a series of key elements not only include those key elements, but also wrapping
Include other key elements being not expressly set out, or also include for this process, method, commodity or equipment is intrinsic wants
Element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that wanted including described
Also there is other identical element in process, method, commodity or the equipment of element.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements done etc. should be included within the scope of protection of the invention.
Claims (8)
1. a kind of analytic method of domain name, it is characterised in that methods described includes：
When DNS request message is received, parse the DNS request message and obtain domain name to be resolved；
Determine a mesh at least one analysis result corresponding with the domain name to be resolved for analytically being recorded in the results list
Mark analysis result, at least one analysis result correspondence is obtained by the parsing of different predetermined servers, the different preset services
Device adheres to different operators separately；
The target analysis result is sent to client.
2. method according to claim 1, it is characterised in that analytically recording with the domain to be resolved in the results list
A target analysis result is determined in corresponding at least one analysis result of name, including：
Based on load-balancing algorithm, a target line is determined from least one circuit；
It is corresponding with the domain name to be resolved by what is recorded in analysis result list based on the operator belonging to the target line
Analysis result corresponding with the operator is defined as the target analysis result at least one analysis result.
3. method according to claim 1, it is characterised in that methods described also includes：
When any analysis result is not recorded in the analysis result list, to each the default clothes in whole predetermined servers
Business device sends the DNS request message；
The DNS response messages that each predetermined server in whole predetermined servers is returned are parsed, the whole is obtained
The corresponding analysis result of each predetermined server in predetermined server；
The corresponding analysis result of each predetermined server in whole predetermined servers is recorded in the analysis result
In list.
4. method according to claim 1, it is characterised in that methods described also includes：
Each analysis result one ageing time of correspondence recorded in the analysis result list, when the analysis result list
When one of analysis result of middle record reaches ageing time, sent out to the corresponding predetermined server of the one of analysis result
Send the DNS request message；
The DNS response messages that the corresponding predetermined server of the described one of analysis result of parsing is returned, obtain it is described this its
In the corresponding analysis result of the corresponding predetermined server of analysis result；
Will the corresponding analysis result record of the corresponding predetermined server of the described one of analysis result in the analysis result
In list.
5. a kind of resolver of domain name, it is characterised in that described device includes：
Request message parsing module, obtains to be resolved for when DNS request message is received, parsing the DNS request message
Domain name；
Analysis result determining module, parses for being recorded in analytically the results list with the request message parsing module
To corresponding at least one analysis result of domain name described to be resolved in determine a target analysis result, it is described at least one solution
Analysis result correspondence is obtained by the parsing of different predetermined servers, and the different predetermined servers adhere to different operators separately；
Analysis result sending module, parses for sending the target determined in the analysis result determining module to client
As a result.
6. device according to claim 5, it is characterised in that the analysis result determining module includes：
Target line determination sub-module, for based on load-balancing algorithm, a target line being determined from least one circuit；
Analysis result determination sub-module, for based on belonging to the target line determined in the target line determination sub-module
Operator, with the fortune at least one analysis result corresponding with the domain name to be resolved that will be recorded in analysis result list
The corresponding analysis result of battalion business is defined as the target analysis result.
7. device according to claim 5, it is characterised in that described device also includes：
First message sending module, for when any analysis result is not recorded in the analysis result list, to all default
Each predetermined server in server sends the DNS request message；
First packet parsing module, it is every in the described whole predetermined servers in the first message sending module for parsing
The DNS response messages that one predetermined server is returned, obtain each predetermined server pair in whole predetermined servers
The analysis result answered；
First result logging modle, for will be each in the described whole predetermined servers in the first packet parsing module
The corresponding analysis result record of individual predetermined server is in the analysis result list.
8. device according to claim 5, it is characterised in that described device also includes：
Second message sending module, when each analysis result correspondence one for being recorded in the analysis result list is aging
Between, when the one of analysis result recorded in the analysis result list reaches ageing time, to one of parsing
The corresponding predetermined server of result sends the DNS request message；
Second packet parsing module, for one of analysis result pair described in parsing in the second message sending module
The DNS response messages that the predetermined server answered is returned, obtain the corresponding predetermined server pair of the described one of analysis result
The analysis result answered；
Second result logging modle, for by one of analysis result correspondence described in the second packet parsing module
The corresponding analysis result of predetermined server record in the analysis result list.
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| CN201710184233.5A CN106888268A (en) | 2017-03-24 | 2017-03-24 | A kind of analysis method and device of domain name |
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| CN201710184233.5A CN106888268A (en) | 2017-03-24 | 2017-03-24 | A kind of analysis method and device of domain name |
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| CN (1) | CN106888268A (en) |
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| CN111262881A (en) * | 2020-02-26 | 2020-06-09 | 杭州云缔盟科技有限公司 | Method for hiding DNS domain name of server accessed by mobile phone APP |
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