Question and response
Question
dig dns1.supremecenter.com. PTR
Answer
The response has no answer records.
Authority
dns1.supremecenter.com. 1800 SOA dns1.supremecenter.com. root.dns1.supremecenter.com. 1426087863 28800 7200 604800 86400
Additional
. 0 OPT ; payload 600, xrcode 0, version 0, flags 0