Zone apex
Start of authority
Email
Serial
16
Refresh
3h
Retry
15m
Expire
7d
Negative cache TTL
15m
Question and response
Question
dig 53.121.27.in-addr.arpa. SOA
Answer
53.121.27.in-addr.arpa. 86400 SOA dns1.broadline.ne.jp. dns-info.broadline.ne.jp. 16 10800 900 604800 900
Authority
53.121.27.in-addr.arpa. 86400 NS ns010-0cdmc93mlje5vnf8.0.d-53.jp.
53.121.27.in-addr.arpa. 86400 NS ns010-0cdmc93mlje5vnf8.0.d-53.net.
53.121.27.in-addr.arpa. 86400 NS ns010-0cdmc93mlje5vnf8.0.d-53.info.
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0