DNS (Domain Name Resolution) acceleration method, system and device
A domain name resolution and acceleration device technology, applied in transmission systems, electrical components, etc., can solve the problems of empty header domain name resolution failure, empty host header domain name resolution acceleration, etc.
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Embodiment 1
[0063] This embodiment discloses a method for accelerating domain name resolution, which is applied to a domain name resolution accelerating device connected between a DNS resolver and one or more authoritative DNS servers, and each authoritative DNS server corresponds to resolving a pre-specified domain name. Wherein, the domain name resolution acceleration device is an authorized server designated by one or more authoritative DNS servers associated with the domain name to be resolved.
[0064] like figure 2 As shown, the domain name resolution acceleration method of the present embodiment includes:
[0065]Step S10, receiving a first request sent by the DNS resolver to resolve the domain name to be resolved, the first request including the record type of the resolution result of the domain name to be resolved;
[0066] Wherein, the first request is sent by the client, and then forwarded by the DNS resolver.
[0067] Moreover, in the domain name resolution acceleration met...
Embodiment 2
[0103] This embodiment also discloses a domain name resolution acceleration system, which is applied to a domain name resolution acceleration device connected between a DNS resolver and one or more authoritative DNS servers, and each authoritative DNS server corresponds to resolving a pre-specified domain name.
[0104] like Figure 5 As shown, the domain name resolution acceleration system 500 of this embodiment includes:
[0105] The receiving module 510 is configured to receive the first request for resolving the domain name to be resolved sent by the DNS resolver 100, the first request includes the record type of the resolution result of the domain name to be resolved; wherein, the domain name to be resolved in the first request The record types of the parsing result include A record, TXT record, AAAA record, PTR record and MX record.
[0106] The domain name resolution module 520 is configured to recursively resolve the domain name to be resolved through one or more auth...
Embodiment 3
[0113] This embodiment discloses a domain name resolution acceleration device, which adopts the domain name resolution acceleration system disclosed in Embodiment 2, which will not be repeated here.
[0114] To sum up, the domain name resolution acceleration method, system and device of the present invention is an intelligent DNS resolution server, and provides a configuration interface for hiding the alias type to control whether the domain name needs to hide the alias type when feeding back. The present invention prevents the alias record from appearing in the cache of the DNS resolver, avoids the problem that the alias record and other types of records in the RFC1034 file cannot coexist, and ensures the stability and effectiveness of various resolution records of the domain name; and the present invention can be combined without hindrance Different authoritative DNS server systems; the present invention also adopts the edns-client-subnet extension mechanism in the DNS protoc...
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