CN102307248A - Internet retrieval method and system - Google Patents
Internet retrieval method and system Download PDFInfo
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- CN102307248A CN102307248A CN201110251700A CN201110251700A CN102307248A CN 102307248 A CN102307248 A CN 102307248A CN 201110251700 A CN201110251700 A CN 201110251700A CN 201110251700 A CN201110251700 A CN 201110251700A CN 102307248 A CN102307248 A CN 102307248A
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Abstract
The invention provides an Internet retrieval method and an Internet retrieval system. The method comprises that: a browser transmits a domain name address input in an address bar by a user to a domain name server (DNS); the DNS queries the address information of a retrieval server according to the domain name address, and transmits the address information back to the browser; the browser transmits the domain name address to the retrieval server according to the queried address information of the retrieval server; and the retrieval server performs Internet retrieval according to a sub-domain name in the domain name address, and transmits a retrieval result back to the browser. By the method and the system, retrieval conditions can be input into the address bar of the browser as a part of the domain name address, and the retrieval result can be directly obtained without opening a retrieval page in advance, thereby simplifying retrieval operations, saving time for the user and improving user experiences.
Description
Technical field
The present invention relates to a kind of the Internet search method and system, belong to the network retrieval technical field.
Background technology
The Internet retrieval is meant through to searching systems such as search engine input search condition, is returned the Internet application of result for retrieval by searching system.Existing the Internet retrieving is mainly following:
(1) user's open any browser; The domain name addresses of input searching system in browser's address bar; Browser sends to domain name system (Domain Name System with this domain name addresses; Be called for short: DNS) server; For example: the Fully-Qualified Domain Name address of input is " www.baidu.com " etc.; Wherein, " baidu.com " is domain name, and " www " is subdomain name;
(2) said dns server is according to this Fully-Qualified Domain Name address, and process several times inquiry of the domain name process finally inquires the address information of corresponding retrieval server, and this address information is returned to said browser.
(3) said browser is visited said retrieval server according to said address information, and shows the searching page that this retrieval server provides, and the user imports search condition in this searching page, by browser this search condition is sent said retrieval server;
(4) said retrieval server is retrieved according to said search condition, and returns result for retrieval to said browser, and browser is shown to the user with this result for retrieval.
Visible by drawing, the defective of prior art is: in order to realize retrieval, the user needs to open searching page through browser in advance, in this searching page, imports search condition then, and then could obtain result for retrieval, and operation inconvenience also wastes time.
Summary of the invention
The present invention provides a kind of the Internet search method and system, in order to just can directly obtain result for retrieval in the situation of not opening searching page in advance.
One aspect of the present invention provides a kind of the Internet search method, comprising:
Browser sends to dns server with the domain name addresses that the user imports in address field;
Said dns server is according to the address information of domain name address lookup to retrieval server, and this address information is returned to said browser;
Said browser sends to said retrieval server according to the address information of the said retrieval server that inquires with the domain name address;
Said retrieval server carries out the Internet retrieval according to the subdomain name in the domain name address, and returns result for retrieval to said browser.
The present invention provides a kind of the Internet searching system on the other hand, comprising browser, dns server and retrieval server, wherein:
Said browser is used for the domain name addresses that the user imports at address field is sent to dns server, and the address information of the retrieval server that is used for inquiring according to said dns server, and the domain name address is sent to said retrieval server;
Said dns server is used for basis and comes from the address information of the domain name address lookup of said browser to retrieval server, and this address information is returned to said browser;
Said retrieval server is used for carrying out the Internet retrieval according to the subdomain name that comes from the domain name address of said browser, and returns result for retrieval to said browser.
The present invention can be input in browser's address bar as the part of domain name addresses search condition and directly obtain result for retrieval; And no longer need open searching page in advance, thereby simplified search operaqtion, saved user time, improved user experience.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously; Accompanying drawing in describing below is some embodiments of the present invention; For those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the Internet search method embodiment according to the invention;
Fig. 2 is the structural representation of the Internet searching system embodiment according to the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously; Described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the flow chart of the Internet search method embodiment according to the invention, as shown in the figure, comprises the steps:
For example, the domain name address is " query.demo.com ", wherein; " demo.com " is Main Domain, and " query " is subdomain name, in the present embodiment; The user can import search condition in this subdomain name, for example: import a keyword " computer ".
Particularly, dns server can be searched the address information that still is in the said retrieval server in the term of validity earlier in the buffer memory of this dns server self, to improve search efficiency.
If in buffer memory, do not find required address information, then can continue to carry out the recursive query process, in this process, said dns server serves as the recurrence dns server and sends the recursive query request that carries the domain name address to authoritative name server; Said authoritative name server comprises rhizosphere server, TLD server, secondary and the following domain server of secondary etc., after corresponding authoritative name server is received said recursive query request, the address information that obtains said retrieval server is inquired about in the domain name address.Particularly, according to the difference of domain name address style, this recursive query process also can be different, will describe in subsequent content.
For example, the domain name address is " query.demo.com ".
For example; The domain name address is " query.demo.com "; Subdomain is called " query "; In this step; Said retrieval server is retrieved " query " as search condition; This search condition can be keyword, perhaps is logical expression, specifically can set according to user's retrieval needs.When this search condition is keyword " computer ", then return include " computer " the page as result for retrieval.
Particularly, said retrieval server can be handled through character string, removes the Main Domain in the complete domain name addresses, obtains the subdomain name as search condition thereby extract.With supertext preliminary treatment language (Hypertext Preprocessor; Be called for short: PHP) language is an example; Can pass through statement: $server_name=$_SERVER[' HTTP_HOST '] obtain complete domain name addresses, handle the subdomain name in intercepting Main Domain left side again with character string.
Through the said method of present embodiment; Can be input in browser's address bar as the part of domain name addresses search condition and directly obtain result for retrieval; And no longer need open searching page in advance, thereby simplified search operaqtion, saved user time, improved user experience.
Below specify the recursive query process of above-mentioned steps 120 based on different domain name addresses types:
Mode one: the domain name address is the host name of preset A record
Particularly, said authoritative name server is inquired about the address information that obtains the said retrieval server corresponding with the host name of this A record according to said A record to the domain name address, and wherein, the subdomain name in the host name of said A record partly is an asterisk wildcard; The host name of said A record also can be called hostname (owner name), and the A record value corresponding with this hostname also can be called resource data (resource data).
For example, an A record is as follows:
*.demo.com?IN?A?111.222.3.123
Wherein, according to this A record, the domain name addresses " computer.demo.com " of user input inquired about obtaining the address information of IP address " 111.222.3.123 " as said retrieval server.Owing to for example used asterisk wildcards such as " * " in the host name of this A record, therefore, this A record can be called general parsing (Wildcard) record.Through using asterisk wildcard, make that the subdomain name in the domain name addresses of no matter being inquired about comprises any content, all pointed to the address information of said retrieval server.
Need to prove that here a domain name addresses in the said general parsing clauses and subclauses might be shone upon with the address information of a plurality of retrieval servers mutually, for example:
*.demo.com?IN?A?111.222.3.121
*.demo.com?IN?A?111.222.3.122
*.demo.com?IN?A?111.222.3.123
Wherein, same domain name addresses is shone upon with three IP addresses respectively mutually.In this case; Said authoritative name server can make a plurality of address informations return with different orders according to poll (round robin) principle or other strategies usually; Make the corresponding retrieval server of these address informations, all have an opportunity, thereby realize load balancing to the user provides retrieval service.
Mode two: the Main Domain in the domain name address is that TLD (is called for short: TLD)
Wherein, said TLD is the domain name addresses that is registered in advance in the rhizosphere authoritative server, and common TLD is like .com .gov .edu etc.Said authoritative name server is inquired about the address information that obtains said retrieval server to said TLD after receiving said recursive query request.
In recent years; Open gradually registration in the existing domain name system to TLD; For example; Can register a TLD in the present embodiment and be specifically designed to retrieval for " .search "; The user is as long as input " computer.search " in browser; Wherein, " computer " is the subdomain name as search condition; The recurrence dns server just can be only just can inquire the address information of said retrieval server through rhizosphere authoritative server and TLD authoritative server are carried out twice recursive query, thereby helps improving inquiry velocity.
Mode three, the domain name address is the host name of preset CNAME record
Particularly, the first step: said authoritative name server is inquired about the corresponding CNAME record value of host name that obtains with this CNAME record according to said CNAME record to the domain name address; Second step: with the host name of said CNAME record value as preset A record, and the address information of the corresponding said retrieval server of the host name that obtains writing down with this A according to said A record queries.If described authoritative name server also is simultaneously the authoritative server of the corresponding domain name of said CNAME record value; The address information of the affiliated retrieval server that then described authoritative name server is corresponding with the record of the A under providing simultaneously host name; Promptly carried out for second step automatically, do not need once more mutual.Wherein, CNAME is called canonical name (Canonical Name); Subdomain name in the host name of this CNAME record partly is an asterisk wildcard; The host name of said CNAME record also can be called hostname (owner name), and the CNAME value corresponding with this hostname also can be called resource data (resource data).For example:
*.demo.com?IN?CNAME?host.sohu.com
host.sohu.com?IN?A?222.111.3.121
Wherein, according to this CNAME record, the host name that the domain name addresses " computer.demo.com " that the user is imported writes down as CNAME is inquired about and obtained corresponding C NAME record value is " host.sohu.com "; With the host name of this CNAME record value, obtain the address information of corresponding IP address " 222.111.3.121 " according to the A record queries then as said retrieval server as preset A record.
From this example, can find out; Through preset CNAME record, can realize that the retrieval server by sohu is that demo provides retrieval service, the user only is concerned about result for retrieval and is indifferent to the retrieval service which retrieval server provides; Therefore, help improving the flexibility of retrieval service.
Mode four: said Main Domain is the DNAME address
Wherein, DNAME is called and represents name (a Delegation Name), and as the another name of network title, said authoritative name server is concrete carries out following process:
(1) the preset DNAME record of basis is inquired about said DNAME address and is obtained corresponding second Main Domain.Wherein said DNAME record for example is:
demo.com?IN?DNAME?sohu.com
Wherein, " demo.com " is the Main Domain in the domain name addresses " computer.demo.com " of user's input, and " sohu.com " be corresponding with this Main Domain DNAME mapping treatment domain name before of passing through, and is called second Main Domain in the present embodiment.
(2) subdomain name in said second Main Domain and the domain name address is combined as second domain name addresses.
For example, " sohu.com " and " computer " are combined as " computer.sohu.com ", in the present embodiment, this domain name addresses that the combination back is formed is called second domain name addresses.
(3) according to preset A record said second domain name addresses is inquired about the address information that obtains the said retrieval server corresponding with said second Main Domain, wherein, the subdomain name in the domain name addresses in the said A record partly is an asterisk wildcard.For example, this A is recorded as:
*.sohu.com?IN?A?222.111.3.121
According to this A record second domain name addresses " computer.sohu.com " is inquired about the IP address 222.111.3.121 that obtains address information as said retrieval server.
Fig. 2 is the structural representation of the Internet searching system embodiment according to the invention, and in order to realize said method, as shown in the figure, this system comprises at least: browser 10, dns server 20 and retrieval server 30, and its operation principle is following:
After the domain name addresses that the user imports, this domain name addresses is sent to dns server 20 by said browser 10 in address field.For example, the domain name address is " query.demo.com ", wherein; " demo.com " is Main Domain, and " query " is subdomain name, in the present embodiment; The user can import search condition in this subdomain name, for example: import a keyword " computer ".
Said dns server 20 bases come from the address information of 10 domain name address lookups of said browser to retrieval server, and this address information is returned to said browser 10.Particularly, this dns server 20 can be earlier searched the address information that still is in the said retrieval server in the term of validity in the buffer memory of this dns server 20 self, to improve search efficiency; If in buffer memory, do not find required address information, then this dns server 20 can continue to carry out the recursive query process.
In order to realize recursive query, can further include authoritative name server 40 in the said system of present embodiment.In this process, said dns server 20 serves as the recurrence dns server and sends the recursive query request that carries the domain name address to authoritative name server 40; Said authoritative name server 40 can comprise a plurality of servers such as rhizosphere server, TLD server, secondary and the following domain server of secondary, after corresponding authoritative name server 40 is received said recursive query request, the address information that obtains said retrieval server 30 is inquired about in the domain name address.Particularly, according to the difference of domain name address style, this recursive query process also can be different, and the detailed description of relevant this content reaches for example, can repeat no more referring to mode one to the mode four described in the said method embodiment here.
After this, the address information of the retrieval server 30 that said browser 10 inquires according to said dns server sends to said retrieval server 30 with the domain name address; Then, carry out the Internet retrieval according to the subdomain name in the domain name address that comes from said browser 10, and return result for retrieval to said browser 10 by said retrieval server 30.For example; The domain name address is " query.demo.com "; Subdomain is called " query "; In this step; Said retrieval server is retrieved " query " as search condition; This search condition can be keyword, perhaps is logical expression, specifically can set according to user's retrieval needs.When this search condition is keyword " computer ", then return include " computer " the page as result for retrieval.Wherein, the leaching process of relevant subdomain name can be referring to the related content of said method embodiment.
Through the said system of present embodiment; Can be input in browser's address bar as the part of domain name addresses search condition and directly obtain result for retrieval; And no longer need open searching page in advance, thereby simplified search operaqtion, saved user time, improved user experience.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should illustrate at last is: above embodiment is only in order to illustrating technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (8)
1. a Internet search method is characterized in that, comprising:
Browser sends to dns server with the domain name addresses that the user imports in address field;
Said dns server is according to the address information of domain name address lookup to retrieval server, and this address information is returned to said browser;
Said browser sends to said retrieval server according to the address information of the said retrieval server that inquires with the domain name address;
Said retrieval server carries out the Internet retrieval according to the subdomain name in the domain name address, and returns result for retrieval to said browser.
2. method according to claim 1 is characterized in that, said dns server comprises according to the address information of domain name address lookup to retrieval server:
Said dns server sends the recursive query request that carries the domain name address to authoritative name server;
Said authoritative name server is inquired about the address information that obtains said retrieval server to the domain name address after receiving said recursive query request.
3. method according to claim 2; It is characterized in that; Said authoritative name server receives that the address information that obtains said retrieval server being inquired about in the domain name address after the said recursive query request comprises: the domain name address is the host name of preset A record; Said authoritative name server is inquired about the address information that obtains the said retrieval server corresponding with the host name of this A record according to said A record to the domain name address; Wherein, the subdomain name in the host name of said A record partly is an asterisk wildcard.
4. method according to claim 2; It is characterized in that; Said authoritative name server receives that the address information that obtains said retrieval server being inquired about in the domain name address after the said recursive query request comprises: the Main Domain in the domain name address is a TLD, and said authoritative name server is inquired about the address information that obtains said retrieval server to said TLD.
5. method according to claim 2 is characterized in that, said authoritative name server receives that the address information that obtains said retrieval server being inquired about in the domain name address after the said recursive query request comprises:
The domain name address is inquired about the corresponding CNAME record value of host name that obtains with this CNAME record for the host name of preset CNAME record, said authoritative name server according to said CNAME record to the domain name address;
With the host name of said CNAME record value as preset A record; And obtain the address information of the said retrieval server corresponding according to said A record queries with the host name of this A record; Wherein, the subdomain name in the host name of said CNAME record partly is an asterisk wildcard.
6. method according to claim 2; It is characterized in that; Said authoritative name server receives that the address information that obtains said retrieval server being inquired about in the domain name address after the said recursive query request comprises: the Main Domain in the domain name address is the DNAME address, and said authoritative name server is inquired about said DNAME address according to preset DNAME record and obtained corresponding second Main Domain; Subdomain name in said second Main Domain and the domain name address is combined as second domain name addresses; A record according to preset is inquired about the address information that obtains the said retrieval server corresponding with said second Main Domain to said second domain name addresses, and wherein, the subdomain name in the domain name addresses in the said A record partly is an asterisk wildcard.
7. a Internet searching system is characterized in that, comprises browser, dns server and retrieval server, wherein:
Said browser is used for the domain name addresses that the user imports at address field is sent to dns server, and the address information of the retrieval server that is used for inquiring according to said dns server, and the domain name address is sent to said retrieval server;
Said dns server is used for basis and comes from the address information of the domain name address lookup of said browser to retrieval server, and this address information is returned to said browser;
Said retrieval server is used for carrying out the Internet retrieval according to the subdomain name that comes from the domain name address of said browser, and returns result for retrieval to said browser.
8. system according to claim 7 is characterized in that said system also comprises authoritative name server, and said dns server is used for sending the recursive query request that carries the domain name address to said authoritative name server; Said authoritative name server is used for after receiving said recursive query request, the address information that obtains said retrieval server being inquired about in the domain name address.
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| CN201110251700A CN102307248A (en) | 2011-08-29 | 2011-08-29 | Internet retrieval method and system |
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| CN106331123A (en) * | 2016-08-29 | 2017-01-11 | 重庆锐明信息技术有限公司 | Load balancing method of embedded networking system |
| CN106453692A (en) * | 2016-11-28 | 2017-02-22 | 腾讯科技（深圳）有限公司 | Domain name resolution method, device and system |
| CN108833424A (en) * | 2018-06-25 | 2018-11-16 | 哈尔滨工业大学 | A kind of system obtaining all resource records of domain name |
| CN109818821A (en) * | 2018-12-28 | 2019-05-28 | 大唐软件技术股份有限公司 | A kind of detection method and device of website CDN framework |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106331123A (en) * | 2016-08-29 | 2017-01-11 | 重庆锐明信息技术有限公司 | Load balancing method of embedded networking system |
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| CN112073549A (en) * | 2020-08-25 | 2020-12-11 | 山东伏羲智库互联网研究院 | Domain name based system relationship determination method and device |
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Application publication date: 20120104 |