Question and response
Question
dig mail.kuon.awk.jp. PTR
Answer
The response has no answer records.
Authority
kuon.awk.jp. 300 SOA ns.kuon.awk.jp. npoearth.nns.ne.jp. 1768123753 14400 60 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0