CN1435783A - Reverse domain name analysis method - Google Patents
Reverse domain name analysis method Download PDFInfo
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- CN1435783A CN1435783A CN 02146554 CN02146554A CN1435783A CN 1435783 A CN1435783 A CN 1435783A CN 02146554 CN02146554 CN 02146554 CN 02146554 A CN02146554 A CN 02146554A CN 1435783 A CN1435783 A CN 1435783A
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- domain name
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Abstract
A method for reverse analysis of domain name is characterized by that the domain names which have been accessed by local host and their relative IP addresses are recorded in a local database and when reverse analysis is conducted, the IP address in the local database is used to find its relative domain name, which is returned back to the local host.
Description
Technical field
The present invention relates to Internet technical field, relate in particular to reverse name resolution method by IP address search domain name.
Background technology
Domain name system (DNS) is a kind of distributed data base of the TCP/IP of being used for application program, and it provides the conversion between host domain name and the IP address and the route selection information of relevant Email.
At present, most domain name system only provides the conversion from host domain name to the IP address, and does not provide secondary IP address to arrive the conversion of host domain name.That is to say for those IP addresses it is to be difficult to find its corresponding host domain name, for those methods that can carry out reverse name resolution also spended time very, because they are all undertaken by network.
Summary of the invention
The objective of the invention is to design and set up the method that to carry out reverse name resolution at local host,, just can find corresponding domain name by searching the IP address by the IP address that this method can this machine of reverse resolution be once resolved.
To achieve these goals, the present invention carries out record by domain name that local host was resolved and corresponding IP address thereof, reaches the purpose by IP address search domain name, and its specific implementation step is as follows:
(1) all carry out the function of domain name mapping inside the interception domain name analysis system;
(2) when domain name analysis system calls these functions and carries out domain name mapping, record
These domain names of resolving and IP address to the data structure of getting off, and this
In the content record to of the individual data structure local data base;
(3) carrying out the IP address is in the local data base of record to the reverse resolution of domain name
Face finds this IP address and returns to its corresponding domain name of main frame.
Can also comprise a database of having stored a plurality of IP address in the local data base.
If do not find corresponding domain name by in local data base, searching the IP address, show that then domain name analysis system do not visit this IP address recently, the database the inside does not have this IP address in other words, searches end.
Can make the user more simply find the domain name of local host by the reverse name resolution method, search the domain name of local host for the user and save the plenty of time by the IP address.
Description of drawings
Fig. 1 realizes method step process flow diagram of the present invention.
Fig. 2 is a specific embodiment of the present invention process flow diagram.
Embodiment
In conjunction with the accompanying drawings being that example is done further the present invention and elaborated by IP address 204.701.200.75 reverse resolution domain name yahoo.com.
All functions that carry out domain name mapping of step 10 pair domain name analysis system the inside are tackled: carry out initialization 100, and interception get host by name in domain name analysis system, WSAGet Host By Name etc. carries out the function of domain name mapping.
Step 20 is when domain name analysis system calls these functions when carrying out domain name mapping, note these domain names of resolving and IP address to a data structure, and in the content record to of this data structure local data base: carry out record data 200, when domain name analysis system calls above-mentioned domain name mapping function domain name yahoo.com is resolved when finding its corresponding IP address 204.701.200.75, note in this domain name yahoo.com that resolved and its corresponding 204.701.200.75 to existed data in IP address, and in the content record to of this data structure local data base, wherein this local data base also comprises a database of having stored a plurality of IP address.And the like, a plurality of domain names one to one and IP address can be logged in this local number storehouse in order successively.
It is that local data base the inside from record finds this IP address and returns to its corresponding domain name of main frame to the reverse resolution of domain name that step 30 is carried out the IP address: carry out reverse name resolution 300, when when searching domain name by the IP address, domain name analysis system is by finding IP address 204.701.200.75 in above-mentioned local data base, and to find its corresponding domain name be yahoo.com, add that before domain name transport protocol message and Host Type information have just constituted network address (URL), for example the network address of domain name yahoo.com (URL) is " http://www.yahoo.com ", the domain name yahoo.com that finds is turned back to the local host browser, both can realize the reverse resolution of secondary IP address 204.701.200.75 to domain name yahoo.com.
So far search end to step 400, if do not find corresponding domain name yahoo.com by in local data base, searching IP address 204.701.200.75, show that then domain name analysis system do not visit this IP address 204.701.200.75 recently, the database the inside does not have this IP address 204.701.200.75 in other words, then searches end to step 400 equally.
Claims (3)
1, a kind of reverse name resolution method is characterized in that: carry out record by domain name and corresponding IP address thereof that local host was resolved, reach the purpose by IP address search domain name, its specific implementation step is as follows:
(1) all carry out the function of domain name mapping inside the interception domain name analysis system;
(2) when domain name analysis system calls these functions and carries out domain name mapping, record
These domain names of resolving and IP address to the data structure of getting off, and this
In the content record to of the individual data structure local data base;
(3) carrying out the IP address is in the local data base of record to the reverse resolution of domain name
Face finds this IP address and returns to its corresponding domain name of main frame.
2, reverse name resolution method according to claim 1 is characterized in that: can also comprise a database of having stored a plurality of IP address in the local data base.
3, reverse name resolution method according to claim 2, it is characterized in that: if do not find corresponding domain name by in local data base, searching the IP address, show that then domain name analysis system do not visit this IP address recently, the database the inside does not have this IP address in other words, searches end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02146554 CN1435783A (en) | 2002-10-22 | 2002-10-22 | Reverse domain name analysis method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02146554 CN1435783A (en) | 2002-10-22 | 2002-10-22 | Reverse domain name analysis method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1435783A true CN1435783A (en) | 2003-08-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02146554 Pending CN1435783A (en) | 2002-10-22 | 2002-10-22 | Reverse domain name analysis method |
Country Status (1)
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| CN (1) | CN1435783A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100576846C (en) * | 2005-05-11 | 2009-12-30 | 中国科学院计算技术研究所 | Service broker's method of multi-protocols domain name mapping service |
| CN102523196A (en) * | 2011-11-21 | 2012-06-27 | 北京神州绿盟信息安全科技股份有限公司 | Information identification method, device and system |
| CN101483648B (en) * | 2009-02-20 | 2012-07-11 | 杭州华三通信技术有限公司 | Method, system, apparatus and DNS server for DNS buffer probe |
| CN103220379A (en) * | 2013-05-10 | 2013-07-24 | 广东睿江科技有限公司 | Domain name reverse-resolution method and device |
| CN108574604A (en) * | 2017-03-07 | 2018-09-25 | 北京京东尚科信息技术有限公司 | test method and device |
| CN109891858A (en) * | 2016-10-13 | 2019-06-14 | 微软技术许可有限责任公司 | Actively and passively method for IP to name resolving |
-
2002
- 2002-10-22 CN CN 02146554 patent/CN1435783A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100576846C (en) * | 2005-05-11 | 2009-12-30 | 中国科学院计算技术研究所 | Service broker's method of multi-protocols domain name mapping service |
| CN101483648B (en) * | 2009-02-20 | 2012-07-11 | 杭州华三通信技术有限公司 | Method, system, apparatus and DNS server for DNS buffer probe |
| CN102523196A (en) * | 2011-11-21 | 2012-06-27 | 北京神州绿盟信息安全科技股份有限公司 | Information identification method, device and system |
| CN102523196B (en) * | 2011-11-21 | 2015-03-25 | 北京神州绿盟信息安全科技股份有限公司 | Information identification method, device and system |
| CN103220379A (en) * | 2013-05-10 | 2013-07-24 | 广东睿江科技有限公司 | Domain name reverse-resolution method and device |
| CN109891858A (en) * | 2016-10-13 | 2019-06-14 | 微软技术许可有限责任公司 | Actively and passively method for IP to name resolving |
| CN108574604A (en) * | 2017-03-07 | 2018-09-25 | 北京京东尚科信息技术有限公司 | test method and device |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |