Zone apex
Start of authority
Email
Serial
2017072700
Refresh
8h
Retry
2h
Expire
7d
Negative cache TTL
10m
Question and response
Question
dig sendings.email. SOA
Answer
sendings.email. 3600 SOA ns13.domaincontrol.com. dns.jomax.net. 2017072700 28800 7200 604800 600
Authority
sendings.email. 3600 NS ns13.domaincontrol.com.
sendings.email. 3600 NS ns14.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0