auth-ns2.heanet.ie.
Question and response
Question
dig 198.192-198.247.1.193.in-addr.arpa. PTR
Answer
198.192-198.247.1.193.in-addr.arpa. 3600 PTR auth-ns2.heanet.ie.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0