IN-ADDR.ARPA
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... hand, and that different parts of the tree can have different implied
semantics. For example, the IN-ADDR.ARPA domain is organized and
distributed by network ...
...
52.0.0.10.IN-ADDR.ARPA IN PTR C.ISI.EDU
...
... character string. The octets of the IP address are reversed,
used as name components, and suffixed with "IN-ADDR.ARPA". A
type PTR query is used to get the RR ...
... IN-ADDR.ARPA. PTR C.ISI.EDU.
103.0.3.26.IN-ADDR.ARPA. PTR A.ISI.EDU.
A.ISI.EDU. 86400 A 26.3.0.103
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... The resolver would translate this into a request for PTR RRs for
65.0.6.26.IN-ADDR.ARPA. This information is not in the cache, so the
resolver would look for foreign servers to ask. No servers would match,
...
... domain are in the cache, but ISI.EDU is not an ancestor of
65.0.6.26.IN-ADDR.ARPA, so the SBELT is used.)
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... AA |
+---------------------------------------------------+
Question | QNAME=65.0.6.26.IN-ADDR.ARPA.,QCLASS=IN,QTYPE=PTR |
+---------------------------------------------------+
...
... IN,QTYPE=PTR |
+---------------------------------------------------+
Answer | 65.0.6.26.IN-ADDR.ARPA. PTR ACC.ARPA. |
+---------------------------------------------------+
...