Domain name resolution method and domain name resolution system

A domain name resolution system and technology for domain name resolution, applied in domain name resolution methods and domain name resolution systems, can solve problems such as the inability of authoritative DNS nodes to provide domain name resolution services normally

Active Publication Date: 2021-04-30
CHINA CONSTRUCTION BANK
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the above technical problems existing in the prior art, this application provides a domain name resolution method and a domain name resolution system, which can effectively prevent authoritative DNS nodes from providing domain name resolution services normally due to the failure of multiple NS servers to work normally. This can ensure that the authoritative DNS node can always respond to domain name resolution requests normally

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  • Domain name resolution method and domain name resolution system
  • Domain name resolution method and domain name resolution system
  • Domain name resolution method and domain name resolution system

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Embodiment Construction

[0056] In the research on the authoritative DNS node, the inventor found that if the above-mentioned multiple NS servers cannot work normally due to abnormal failures, the domain name resolution request sent by the local DNS server cannot be transmitted to the authoritative DNS node through the multiple NS servers , so that the authoritative DNS node cannot provide domain name resolution feedback for the domain name resolution request sent by the local DNS server, so that the authoritative DNS node cannot normally provide domain name resolution services.

[0057] In the research on authoritative DNS nodes, the inventor also found that as long as the domain name resolution request sent by the local DNS server can always be transmitted to the authoritative DNS node, it can avoid the failure of authoritative DNS nodes due to the failure of multiple NS servers to work normally. Provide domain name resolution service.

[0058] Based on this, in order to solve the above technical pr...

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Abstract

The invention discloses a domain name resolution method and a domain name resolution system. The domain name resolution system comprises a local DNS server corresponding to a request terminal, a cloud DNS node and an authoritative DNS node. The cloud DNS node is enabled to be always in a normal working state due to better performance (such as capability of resisting various attacks, large bandwidth, strong capability and the like), so that the cloud DNS node can always transparently transmit a domain name resolution request sent by a local DNS server to an authoritative DNS node, and the domain name resolution request is sent to the authoritative DNS node. Therefore, the authoritative DNS node can always provide the domain name resolution service normally, so that the situation that the authoritative DNS node cannot provide the domain name resolution service normally due to the fact that a plurality of NS servers cannot work normally can be effectively avoided, and the domain name resolution experience of a user can be effectively improved.

Description

technical field [0001] The present application relates to the technical field of the Internet, in particular to a domain name resolution method and a domain name resolution system. Background technique [0002] With the rapid development of Internet technologies, the security of Domain Name System (DNS) is becoming more and more important. [0003] At present, an authoritative DNS node can publish multiple NS (Name System, domain name server records) servers in each authorized domain, and only one NS server among the multiple NS servers can work normally, then the authoritative DNS node can Provide domain name resolution service normally. [0004] However, if the above-mentioned plurality of NS servers cannot work normally due to abnormal faults, the authoritative DNS node cannot normally provide domain name resolution services. Contents of the invention [0005] In order to solve the above technical problems existing in the prior art, this application provides a domain ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/12
CPCH04L61/4511
Inventor 高新立李巍瞿威牛文超
Owner CHINA CONSTRUCTION BANK
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