mailgw2.inet.vn.
Question and response
Question
dig 42.0-24.192.212.125.in-addr.arpa. PTR
Answer
42.0-24.192.212.125.in-addr.arpa. 5 PTR mailgw2.inet.vn.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0