Question and response
Question
dig o3.sgmail.github.com. NXT
Answer
The response has no answer records.
Authority
github.com. 3600 SOA dns1.p08.nsone.net. hostmaster.nsone.net. 1656468023 43200 7200 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0