mailmag-stg.tokai-cs.ne.jp.
Question and response
Question
dig 181.128.54.121.27.in-addr.arpa. PTR
Answer
181.128.54.121.27.in-addr.arpa. 5 PTR mailmag-stg.tokai-cs.ne.jp.
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0