1.125.2.81.in-addr.arpa.
Question and response
Question
dig 1.125.2.81.in-addr.arpa. PTR
Answer
1.125.2.81.in-addr.arpa. 300 PTR 1.125.2.81.in-addr.arpa.
Authority
125.2.81.in-addr.arpa. 3600 SOA auth.primary-dns.co.uk. support.aa.net.uk. 1773756040 10800 3600 1209600 600
Additional
1.125.2.81.in-addr.arpa. 3600 A 81.2.125.1
. 0 OPT ; payload 65000, xrcode 0, version 0, flags 0