Question and response
Question
dig zmb-gate.mysmtp.com. A
Answer
zmb-gate.mysmtp.com. 600 A 185.163.189.3
Authority
mysmtp.com. 3600 NS pdns02.domaincontrol.com.
mysmtp.com. 3600 NS pdns01.domaincontrol.com.
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0