query
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... As specified in RFC 1035std13 (section 6.4), the IQUERY operation for DNS
queries is used to look up the name(s) which are associated with the
given value. The value being sought is provided in the query's
...
... IQUERY operation for DNS
queries is used to look up the name(s) which are associated with the
given value. The value being sought is provided in the query's
answer section and the response fills in the question section with
one or more 3-tuples of type, name and class ...
...
As noted in [RFC1035], section 6.4.3, inverse query processing can
put quite an arduous burden on a server. A server would need to
perform either an exhaustive search ...
... about exposure of large blocks of names in their zones by probes such
as inverse MX queries.
IQUERY ...
... IQUERY opcode:
Inverse queries using the IQUERY opcode were originally described as
the ability to look up the names that are associated with a
...