Question and response
Question
dig smtp39.com. CSYNC
Answer
The response has no answer records.
Authority
smtp39.com. 3600 SOA ns57.domaincontrol.com. dns.jomax.net. 2016050400 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0