smtp-out-01.eesti.ee.
Question and response
Question
dig 167.128-25.123.80.195.in-addr.arpa. PTR
Answer
167.128-25.123.80.195.in-addr.arpa. 3600 PTR smtp-out-01.eesti.ee.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0