Question and response
Question
dig 121.71.217.in-addr.arpa. HTTPS
Answer
The response has no answer records.
Authority
121.71.217.in-addr.arpa. 43200 SOA auth1.dns.cogentco.com. dns.cogentco.com. 2024051701 10800 3600 604800 43200
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0