HP Comware 5 Debug Manual Vol 1

DNS debugging commands
The output description tables in this document only contain fields and messages that require an
explanation.
debugging dns
Use debugging dns to enable DNS debugging.
Use undo debugging dns to disable DNS debugging.
Syntax
debugging dns
undo debugging dns
Default
DNS debugging is disabled.
Views
User view
Default command level
1: Monitor level
Usage guidelines
Table 222 describes output fields and messages for the debugging dns command.
Table 222 Output from the debugging dns command
Field
Description
DNS resolving started, query name is
domain-name, type is type.
DNS name resolution started.
• domain-name: Domain name to be resolved.
• type: Query type.
 A—Resolves a domain name to an IPv4 address.
 AAAA—Resolves a domain name to an IPv6
address.
 NAPTR—Offers the replacement rule of a character
string to convert the character string to a domain
name.
 SRV—Offers the domain name of a certain service
site.
Resolve results for query name domain-name are
found in the local dynamic cache (type: type, TTL:
num seconds). Resolve results: result-desc.
Name resolution result information.
The query type can be NAPTR or SRV.
Resolve results for query name domain-name are
found in the local dynamic cache (type: type).
Resolve results: result-desc.
Name resolution result information.
The query type can be A or AAAA.
The TTL is not recorded for type A and AAAA queries.
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