ns1.internetfacilities.ne.jp.
Question and response
Question
dig 244.net240.192.115.61.in-addr.arpa. PTR
Answer
244.net240.192.115.61.in-addr.arpa. 86400 PTR ns1.internetfacilities.ne.jp.
Authority
net240.192.115.61.in-addr.arpa. 86400 NS ns1.internetfacilities.ne.jp.
net240.192.115.61.in-addr.arpa. 86400 NS ns2.iprevolution.co.jp.
Additional
ns1.internetfacilities.ne.jp. 86400 A 61.115.192.244
ns2.iprevolution.co.jp. 86400 A 61.115.192.18
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0