CN109714443A - Name server, domain name backup method and computer readable storage medium - Google Patents
Name server, domain name backup method and computer readable storage medium Download PDFInfo
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Abstract
The disclosure proposes a kind of name server, domain name backup method and computer readable storage medium, is related to Internet technical field.A kind of name server of the disclosure includes: the first caching, for storing the domain name mapping result from higher level's name server；Second caching, for backing up the domain name mapping result of the first caching；Domain name updating unit updates the first caching using the domain name mapping result in the second caching when updating result for reaching predetermined threshold apart from the expired time when the domain name mapping result in the first caching, and can not obtain domain name mapping from higher level's name server.Such name server can prevent due to content expiration in the first caching but can not lead to not execute domain name mapping from higher level's dns server acquisition domain name mapping result, improve the success rate of domain name mapping, reduce the probability that dns resolution failure occurs.
Description
Technical field
This disclosure relates to Internet technical field, especially a kind of name server and domain name backup method.
Background technique
DNS (Domain Name System, domain name system) is component part important in internet, and user needs to pass through
The domain name mapping of DNS can just obtain address corresponding to domain name, and then carry out website visiting.When significant trouble occurs in dns resolution
When, often lead to network and business paralysis.
In recent years, dns resolution frequently occurs problem, and serious consequence, such as 09 year storm wind event is caused to lead to multiple provinces
Suspension, root node parsing problem leads to domestic a wide range of network failure, domain name service supplier, U.S. DYN in 2016 at the beginning of 2014
Parsing failure leads to half of American Network failure.
Summary of the invention
One purpose of the disclosure is to improve the reliability of domain name system.
According to one aspect of the disclosure, a kind of name server is proposed, comprising: the first caching comes from for storing
The domain name mapping result of grade name server；Second caching, for backing up the domain name mapping result of the first caching；Domain name updates single
Member, for reaching predetermined threshold apart from the expired time when the domain name mapping result in the first caching, and can not be from higher level's domain name
When server obtains domain name mapping update result, the domain name mapping result in the second caching is utilized to update the first caching.
Optionally, a length of default value when the existence of the domain name mapping result backed up in the first caching；It is backed up in second caching
Domain name mapping result existence when a length of maximum value.
Optionally, resolution unit is also used to reach predetermined apart from the expired time when the domain name mapping result in the first caching
Superior domain name server query updates when threshold value, and caches to the first caching and the second caching.
Optionally, the second caching is also used to the recursive query in initialization and stores whole domain name mappings in the first caching
As a result.
Optionally, name server further include: domain name mapping module, for receiving inquiry of the domain name request from the user,
It is obtained according to the domain name mapping result of domain name mapping result or higher level's name server in the first caching and feeds back IP
(Internet Protocol, the agreement interconnected between network) address information.
Such name server has the first caching and the second caching, the content in second the first caching of caching backup.
When the first caching can not obtain domain name mapping result from higher level's dns server, backup can be extracted from the second caching
Content prevents due to content expiration in the first caching but can not lead to not from higher level's dns server acquisition domain name mapping result
Domain name mapping is executed, the success rate of domain name mapping is improved, reduces the probability that dns resolution failure occurs.
According to another aspect of the disclosure, a kind of domain name backup method is proposed, comprising: when the domain stored in the first caching
Name parsing result apart from when the expired time reaching predetermined threshold, superior name server request domain name mapping to update as a result,
Wherein, the domain name mapping result from higher level's name server is stored in the first caching；It is not fed back in higher level's name server
In the case that domain name mapping updates result, the first caching is updated using the domain name mapping result in the second caching, wherein second is slow
Deposit the middle domain name mapping result for backing up and having the first caching.
Optionally, a length of default value when the existence of the domain name mapping result backed up in the first caching；It is backed up in second caching
Domain name mapping result existence when a length of maximum value.
Optionally, further includes: when first caching in domain name mapping result apart from the expired time reach predetermined threshold when
Superior domain name server query updates, and caches to the first caching and the second caching.
Optionally, further includes: in initialization, the second caching recursive query simultaneously stores whole domain name solutions in the first caching
Analyse result.
Optionally, further includes: receive inquiry of the domain name request from the user；According to the domain name mapping result in the first caching
Or the domain name mapping result of higher level's name server obtains IP address information；Feed back IP address information.
By such method, the second caching of name server can back up content in the first caching, when first slow
It deposits when can not obtain domain name mapping result from higher level's dns server, the content of backup can be extracted from the second caching, is prevented
It can not lead to not due to content expiration in the first caching but from higher level's dns server acquisition domain name mapping result execute domain name solution
Analysis improves the success rate of domain name mapping, reduces the probability that dns resolution failure occurs.
According to the another aspect of the disclosure, a kind of name server is proposed, comprising: memory；And it is coupled to storage
The processor of device, it is standby that processor is configured as any one domain name being mentioned above based on the instruction execution for being stored in memory
Part method.
Such name server can be prevented due to content expiration in the first caching but can not be obtained from higher level's dns server
It takes domain name mapping result to lead to not execute domain name mapping, improves the success rate of domain name mapping, reduce dns resolution failure and occur
Probability.
According to another aspect of the disclosure, a kind of computer readable storage medium is proposed, be stored thereon with computer journey
The step of sequence instruction, any one domain name backup method that realization is mentioned above when which is executed by processor.
Such computer readable storage medium, can be can not be from higher level when the first caching by executing instruction thereon
When obtaining domain name mapping result in dns server, the content of backup is extracted from the second caching, is prevented due to interior in the first caching
Hold expired but can not lead to not execute domain name mapping from higher level's dns server acquisition domain name mapping result, improves domain name solution
The success rate of analysis reduces the probability that dns resolution failure occurs.
Detailed description of the invention
Attached drawing described herein is used to provide further understanding of the disclosure, constitutes a part of this disclosure, this public affairs
The illustrative embodiments and their description opened do not constitute the improper restriction to the disclosure for explaining the disclosure.In the accompanying drawings:
Fig. 1 is the flow chart of one embodiment of the domain name backup method of the disclosure.
Fig. 2 is the flow chart of another embodiment of the domain name backup method of the disclosure.
Fig. 3 is the schematic diagram of one embodiment of the name server of the disclosure.
Fig. 4 is the schematic diagram of another embodiment of the name server of the disclosure.
Fig. 5 is the schematic diagram of the further embodiment of the name server of the disclosure.
Fig. 6 is the schematic diagram of one embodiment of the application scenarios of the name server of the disclosure.
Specific embodiment
Below by drawings and examples, the technical solution of the disclosure is described in further detail.
The flow chart of one embodiment of the domain name backup method of the disclosure is as shown in Figure 1.
In a step 101, when the domain name mapping result stored in the first caching reaches predetermined threshold apart from the expired time
When, superior name server requests domain name mapping to update result.It is stored in first caching from higher level's name server
Domain name mapping is as a result, the domain name mapping result stored in the first caching backups in the second caching.It in one embodiment, can be with
In initialization, the second caching recursive query simultaneously stores whole domain name mappings in the first caching as a result, in the later first caching
When obtaining the new domain name mapping result from higher level's name server, while storing into the second caching；First caching obtains
When domain name mapping from higher level's name server updates result, synchronized update second is cached.
In one embodiment, a length of default value when the existence of the domain name mapping result in the first caching, i.e., according to predetermined
Or default duration is expired；In another embodiment, the domain name mapping result in the first caching can be configured according to network condition
Existence duration.
In one embodiment, the existence duration of domain name mapping result can be the only phase in the second caching, or be set as
The maximum value of permission, such as 1 year or more or permanent effective.The existence duration of domain name mapping result is greater than the first caching in second caching
The existence duration of middle domain name mapping result.
In a step 102, slow using second in the case where higher level's name server does not feed back domain name mapping and updates result
Domain name mapping result in depositing updates the first caching.
By such method, the second caching of name server can back up content in the first caching, when first slow
It deposits when can not obtain domain name mapping result from higher level's dns server, the content of backup can be extracted from the second caching, is prevented
It can not lead to not due to content expiration in the first caching but from higher level's dns server acquisition domain name mapping result execute domain name solution
Analysis improves the success rate of domain name mapping, reduces the probability that dns resolution failure occurs.
The flow chart of another embodiment of the domain name backup method of the disclosure is as shown in Figure 2.
In step 201, the existence duration of domain name mapping result in the first caching is monitored.
In step 202, judge that whether domain name mapping result such as apart from expired time reaches adjacent to expired in the first caching
Predetermined threshold has been arrived, such as 1~3 second.If it is determined that the domain name mapping result in the first caching has reached predetermined apart from the expired time
Threshold value thens follow the steps 203；It is no to then follow the steps 201 and continue to monitor.
In step 203, superior domain name server query updates.
In step 204, judge whether higher level's name server feeds back domain name mapping and update result.If receiving domain name mapping
It updates as a result, thening follow the steps 205；If higher level's name server does not feed back domain name mapping and updates as a result, thening follow the steps 206.
In step 205, it translates domain names into and updates result cache into the first caching and the second caching.
In step 206, by the first caching of domain name mapping result deposit corresponding in the second caching, existence duration is set
It is updated for default value to trigger superior name server request next time.
By such method, can first caching in domain name mapping result adjacent to it is expired when, preferential superior domain
Name server request updates the timeliness to keep cache contents；When higher level's name server or link failure, temporarily adopt
The first caching is updated with the result in the second caching, maintains the stable state of network.Since domain name mapping result has centainly
Stationarity, changed frequency is not high, and such method can reduce domain name solution while guaranteeing timeliness as far as possible
The probability for analysing failure, improves the stability of network.
In one embodiment, name server can receive inquiry of the domain name request from the user, according to the first caching
In domain name mapping result obtain the corresponding IP address information of domain name and to user feedback.When failing to inquire in the first caching pair
When the domain name mapping result answered, request is initiated in superior domain name service, and obtains domain name mapping as a result, by the domain name mapping result
User is fed back to, and is cached into the first caching and the second caching, to further increase the probability of successfully resolved.
The schematic diagram of one embodiment of the name server of the disclosure is as shown in Figure 3.It is stored with to come in first caching 31
From the domain name mapping result of higher level's name server.In one embodiment, the existence of the domain name mapping result in the first caching
Shi Changwei default value, i.e., it is expired according to predetermined or default duration；In another embodiment, the can be configured according to network condition
The existence duration of domain name mapping result in one caching.
Whole domain name mapping results are stored in the first caching in second caching 32.It in one embodiment, can be first
When beginningization, the second caching recursive query simultaneously stores whole domain name mappings in the first caching as a result, obtaining in the later first caching
When new domain name mapping result from higher level's name server, while storing into the second caching；First caching is come from
When the domain name mapping of higher level's name server updates result, synchronized update to the second caching.In one embodiment, the second caching
The existence duration of middle domain name mapping result can be the only phase, or the maximum value being positioned to allow for.Domain name mapping in second caching
As a result existence duration is greater than the existence duration of domain name mapping result in the first caching.
Domain name updating unit 33 can monitor the existence duration of domain name mapping result in the first caching.Domain name updating unit 33
Judge that whether domain name mapping result such as apart from expired time has reached predetermined threshold adjacent to expired in the first caching, such as 1~3
Second.If it is determined that the domain name mapping result in the first caching has reached predetermined threshold apart from the expired time, then superior domain name takes
Business device inquiry updates.If receive higher level's name server feedback domain name mapping update as a result, if, translate domain names into update result
Caching is into the first caching and the second caching；If higher level's name server do not feed back domain name mapping update as a result, if second is delayed
It deposits in the first caching of corresponding domain name mapping result deposit, when setting existence, a length of default value was to trigger superior next time
Name server request updates.In one embodiment, the second caching 32 can obtain domain name mapping knot from the first caching 31
Fruit is simultaneously backed up；In another embodiment, as shown in phantom in Figure 3, domain name updating unit 33 can obtain domain name mapping knot
The second caching 32 is directly updated after fruit.
Such name server has the first caching and the second caching, the content in second the first caching of caching backup.
When the first caching can not obtain domain name mapping result from higher level's dns server, backup can be extracted from the second caching
Content prevents due to content expiration in the first caching but can not lead to not from higher level's dns server acquisition domain name mapping result
Domain name mapping is executed, the success rate of domain name mapping is improved, reduces the probability that dns resolution failure occurs.
In one embodiment, as shown in figure 3, name server further includes domain name mapping module 34, it can receive and come from
The inquiry of the domain name of user is requested, the domain name mapping result in the first caching of inquiry obtain the corresponding IP address information of domain name and to
Family feedback.When failing to inquire corresponding domain name mapping result in the first caching, request is initiated in superior domain name service, and is obtained
Domain name mapping is obtained as a result, the domain name mapping result is fed back to user.Domain name updating unit 33 is by the result cache of feedback to
In one caching and the second caching, to further increase the probability of successfully resolved.
The structural schematic diagram of one embodiment of disclosure name server is as shown in Figure 4.Name server device includes
Memory 410 and processor 420.Wherein: memory 410 can be disk, flash memory or other any non-volatile memory mediums.
Memory is used to store the instruction in the above corresponding embodiment of domain name backup method.Processor 420 is coupled to memory
410, it can be used as one or more integrated circuits to implement, such as microprocessor or microcontroller.The processor 420 is for holding
The instruction stored in line storage can be realized the success rate for improving domain name mapping, reduce the probability that dns resolution failure occurs.
It in one embodiment, can be as shown in Fig. 2, name server 500 includes memory 510 and processor 520.
Processor 520 is coupled to memory 510 by BUS bus 530.The name server 500 can also be connected by memory interface 540
External memory 550 is connected to call external data, network or other one can also be connected to by network interface 560
Platform computer system (not shown).It no longer describes in detail herein.
In this embodiment, it is instructed by memory stores data, then above-metioned instruction is handled by processor, can be realized
The success rate of domain name mapping is improved, the probability that dns resolution failure occurs is reduced.
In another embodiment, a kind of computer readable storage medium, is stored thereon with computer program instructions, this refers to
The step of enabling the method realized in domain name backup method corresponding embodiment when being executed by processor.Those skilled in the art answer
Understand, embodiment of the disclosure can provide as method, apparatus or computer program product.Therefore, the disclosure can be used completely hard
The form of part embodiment, complete software embodiment or embodiment combining software and hardware aspects.Moreover, the disclosure can be used
The computer that one or more wherein includes computer usable program code can be with non-transient storage medium (including but not
Be limited to magnetic disk storage, CD-ROM, optical memory etc.) on the form of computer program product implemented.
The schematic diagram of one embodiment of the application scenarios of the name server of the disclosure is as shown in Figure 6.The domain of the disclosure
It include the first caching 631 and the second caching 632 in name server 63.When the domain name mapping result in the first caching 631 is adjacent to mistake
When the phase, can superior authoritative name server 62 request update, by the authoritative name server 62 of superior, root node 60 or
Top level domain server 61 feeds back domain name mapping and updates result.When network or server failure, collapse, the first 631 nothings of caching
Method is updated, and the domain name mapping result stored is expired.It is for the missing for avoiding storage content in the first caching, then slow from second
It deposits and reads corresponding content in 632 and be stored in the first caching 631, to prevent due to content expiration but can not in the first caching
Domain name mapping result is obtained from higher level's dns server to lead to not execute domain name mapping, is improved the success rate of domain name mapping, is dropped
The probability that low dns resolution failure occurs.
The disclosure is reference according to the method for the embodiment of the present disclosure, the flow chart of equipment (system) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate
One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing
The device for the function of being specified in one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
So far, the disclosure is described in detail.In order to avoid covering the design of the disclosure, it is public that this field institute is not described
The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein
Scheme.
Disclosed method and device may be achieved in many ways.For example, can by software, hardware, firmware or
Person's software, hardware, firmware any combination realize disclosed method and device.The step of for the method it is above-mentioned
Sequence is merely to be illustrated, and the step of disclosed method is not limited to sequence described in detail above, unless with other sides
Formula illustrates.In addition, in some embodiments, the disclosure can be also embodied as recording program in the recording medium, these
Program includes for realizing according to the machine readable instructions of disclosed method.Thus, the disclosure also covers storage for executing
According to the recording medium of the program of disclosed method.
Finally it should be noted that: above embodiments are only to illustrate the technical solution of the disclosure rather than its limitations；To the greatest extent
Pipe is described in detail the disclosure referring to preferred embodiment, it should be understood by those ordinary skilled in the art that: still
It can modify to the specific embodiment of the disclosure or some technical features can be equivalently replaced；Without departing from this public affairs
The spirit of technical solution is opened, should all be covered in the claimed technical proposal scope of the disclosure.
Claims (12)
1. a kind of name server, comprising:
First caching, for storing the domain name mapping result from higher level's name server；
Second caching, for backing up the domain name mapping result of first caching；
Domain name updating unit, for reaching predetermined threshold apart from the expired time when the domain name mapping result in first caching
When being worth, and domain name mapping update result can not be obtained from higher level's name server, the domain name mapping in second caching is utilized
As a result first caching is updated.
2. server according to claim 1, wherein
A length of default value when the existence of the domain name parsing result backed up in first caching；
A length of maximum value when the existence of the domain name parsing result backed up in second caching.
3. server according to claim 1, wherein
The resolution unit is also used to reach predetermined threshold apart from the expired time when the domain name mapping result in first caching
Superior domain name server query updates when value, and caches to first caching and second caching.
4. server according to claim 1, wherein second caching is also used to the recursive query in initialization and deposits
Store up whole domain name parsing results in first caching.
5. server described in any one according to claim 1~4, further includes:
Domain name mapping module, for receiving inquiry of the domain name request from the user, according to the domain name mapping in first caching
As a result or the domain name mapping result of higher level's name server obtains and feeds back IP address information.
6. a kind of domain name backup method, comprising:
When in the first caching the domain name mapping result that stores apart from the expired time reach predetermined threshold when, superior domain name service
Device requests domain name mapping to update result, wherein is stored with the domain name mapping from higher level's name server in first caching
As a result；
In the case where higher level's name server does not feed back domain name parsing and updates result, the domain in second caching is utilized
Name parsing result updates first caching, wherein backup has the domain name mapping knot of first caching in second caching
Fruit.
7. according to the method described in claim 6, wherein,
A length of default value when the existence of the domain name parsing result backed up in first caching；
A length of maximum value when the existence of the domain name parsing result backed up in second caching.
8. according to the method described in claim 6, further include:
When it is described first caching in domain name mapping result apart from the expired time reach predetermined threshold when superior domain name service
Device inquiry updates, and caches to first caching and second caching.
9. according to the method described in claim 6, further include:
In initialization, the second caching recursive query simultaneously stores whole domain names parsing knot in first caching
Fruit.
10. according to method described in claim 6~9 any one, further includes:
Receive inquiry of the domain name request from the user；
IP address is obtained according to the domain name mapping result of domain name mapping result or higher level's name server in first caching
Information；
Feed back the IP address information.
11. a kind of name server, comprising:
Memory；And
It is coupled to the processor of the memory, the processor is configured to based on the instruction execution for being stored in the memory
Such as the described in any item methods of claim 6 to 10.
12. a kind of computer readable storage medium, is stored thereon with computer program instructions, real when which is executed by processor
The step of method described in existing claim 6 to 10 any one.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110855806A (en) * | 2019-09-27 | 2020-02-28 | 网宿科技股份有限公司 | Domain name request processing method and device and server |
| CN112118325A (en) * | 2019-06-19 | 2020-12-22 | 中国电信股份有限公司 | DNS analysis processing method, device, analysis server and storage medium |
| CN112291343A (en) * | 2020-10-28 | 2021-01-29 | 成都知道创宇信息技术有限公司 | Information acquisition method and device and electronic equipment |
| CN113259501A (en) * | 2021-05-13 | 2021-08-13 | 北京金山云网络技术有限公司 | Website access method and device, electronic equipment and readable storage medium |
| CN114221934A (en) * | 2021-12-13 | 2022-03-22 | 牙木科技股份有限公司 | Domain name resolution caching method, DNS (Domain name Server) and computer readable storage medium |
| CN115065663A (en) * | 2022-06-20 | 2022-09-16 | 广州根链国际网络研究院有限公司 | Method for guaranteeing important domain name resolution of back-end recursive server by DNS management system |
| CN115460177A (en) * | 2022-08-16 | 2022-12-09 | 中国电信股份有限公司 | Domain name detection method and device, electronic equipment and storage medium |
| CN116074281A (en) * | 2023-02-02 | 2023-05-05 | 互联网域名系统北京市工程研究中心有限公司 | Method, device, computer equipment and storage medium for obtaining response result based on domain name system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060143711A1 (en) * | 2004-12-01 | 2006-06-29 | Yih Huang | SCIT-DNS: critical infrastructure protection through secure DNS server dynamic updates |
| CN104935682A (en) * | 2015-06-26 | 2015-09-23 | 网宿科技股份有限公司 | Domain name resolution method and system |
| CN105335512A (en) * | 2015-10-30 | 2016-02-17 | 小米科技有限责任公司 | Data inquiry method and device |
| CN106161669A (en) * | 2015-04-28 | 2016-11-23 | 阿里巴巴集团控股有限公司 | A kind of quick domain name analytic method and system and terminal thereof and server |
-
2017
- 2017-10-25 CN CN201711008379.0A patent/CN109714443A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060143711A1 (en) * | 2004-12-01 | 2006-06-29 | Yih Huang | SCIT-DNS: critical infrastructure protection through secure DNS server dynamic updates |
| CN106161669A (en) * | 2015-04-28 | 2016-11-23 | 阿里巴巴集团控股有限公司 | A kind of quick domain name analytic method and system and terminal thereof and server |
| CN104935682A (en) * | 2015-06-26 | 2015-09-23 | 网宿科技股份有限公司 | Domain name resolution method and system |
| CN105335512A (en) * | 2015-10-30 | 2016-02-17 | 小米科技有限责任公司 | Data inquiry method and device |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112118325A (en) * | 2019-06-19 | 2020-12-22 | 中国电信股份有限公司 | DNS analysis processing method, device, analysis server and storage medium |
| CN110855806A (en) * | 2019-09-27 | 2020-02-28 | 网宿科技股份有限公司 | Domain name request processing method and device and server |
| CN112291343A (en) * | 2020-10-28 | 2021-01-29 | 成都知道创宇信息技术有限公司 | Information acquisition method and device and electronic equipment |
| CN113259501A (en) * | 2021-05-13 | 2021-08-13 | 北京金山云网络技术有限公司 | Website access method and device, electronic equipment and readable storage medium |
| CN114221934A (en) * | 2021-12-13 | 2022-03-22 | 牙木科技股份有限公司 | Domain name resolution caching method, DNS (Domain name Server) and computer readable storage medium |
| CN114221934B (en) * | 2021-12-13 | 2024-05-07 | 牙木科技股份有限公司 | Domain name resolution caching method, DNS server and computer readable storage medium |
| CN115065663A (en) * | 2022-06-20 | 2022-09-16 | 广州根链国际网络研究院有限公司 | Method for guaranteeing important domain name resolution of back-end recursive server by DNS management system |
| CN115460177A (en) * | 2022-08-16 | 2022-12-09 | 中国电信股份有限公司 | Domain name detection method and device, electronic equipment and storage medium |
| CN116074281A (en) * | 2023-02-02 | 2023-05-05 | 互联网域名系统北京市工程研究中心有限公司 | Method, device, computer equipment and storage medium for obtaining response result based on domain name system |
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Application publication date: 20190503 |