NAT and Question Section Mismatch

Tue Apr 21 22:16:45 UTC 2020

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On Tue, 2020-04-21 at 14:08 -0400, John Wiles wrote:
;; ;; Question section mismatch: got 17.1.1.10.in-addr.arpa/PTR/IN

tcpdump is your friend.

Dump the outgoing packets from your home connection to see exactly what
you are sending for:

dig 3.32.162.72.in-addr.arpa ptr  @72.162.32.4 +nodnssec +norecur

Dump the incoming packets at your dns server to see what it is receiving
for that command. Any differences are probably generated by the cisco.
Dump the outgoing packets from your dns server, and the incoming packets
at your home connection also.

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