mx-out-01.eesti.ee.
Question and response
Question
dig 143.128-26.109.80.195.in-addr.arpa. PTR
Answer
143.128-26.109.80.195.in-addr.arpa. 3600 PTR mx-out-01.eesti.ee.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0