Domain name resolution system, domain name resolution server and domain name resolution method

Abstract

The invention discloses a domain name resolution system, a domain name resolution server and a domain name resolution method. The domain name resolution method comprises the following steps of setting a dame extensive domain name for entrance domain names using a same server set; resolving the domain name requested by a client into the entrance domain name; and resolving the entrance domain name, and returning a resolution result back to the client as a resolution result of the domain name requested by the client. The invention provides a recording mode for a layer of another names based on the extensive domain name; compared with existing methods, the method reduces another name record resolution of one layer of system domain names, so that system domain name resolution time can be shortened, and system domain name resolution failed rate is reduced; meanwhile, server scheduling time based on the system domain name is shortened, and the configuration quantity is reduced. According to the system, the server and the method provided by the invention, special back source configuration or other special configuration are also supported, and less configuration quantity is increased, and when there is an attack, a specific attacked customer is easy to find.

Description

technical field [0001] The invention relates to the field of computer technology, in particular to a domain name resolution system, a domain name resolution server and a domain name resolution method. Background technique [0002] At present, the entrance for most customers to access the content distribution network (CDN) is to resolve the domain name requested by the client to the CDN domain name through alias resolution (CNAME). Each domain name requested by the client corresponds to a CDN domain name, which is referred to as the CDN domain name in this article. is the entry domain name. [0003] In the CDN network, the same server group is used by many clients at the same time. If each entry domain name directly resolves the IP of a server group, once the server group cannot provide services, there will be a large number of domain names that need to be switched, that is, Modify the record of the IP address of the server group corresponding to the entry domain name, that ...

AI Technical Summary

Problems solved by technology

[0005] In view of the above problems in the prior art, the embodiment of the present invention provides a domain name resolution system, server and domain name resolution method to solve the problem of long resolution time, high resolution failure rate, and inability to solve the two-layer alias resolution in the prior art. Tracing back the problem that the client was attacked

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