smtp.systec.fi.
Question and response
Question
dig 79.64-95.76.18.185.in-addr.arpa. PTR
Answer
79.64-95.76.18.185.in-addr.arpa. 5 PTR smtp.systec.fi.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0