Question and response
Question
dig threatsim.com. MX
Answer
threatsim.com. 1800 MX 10 aspmx.l.google.com.
threatsim.com. 1800 MX 20 alt1.aspmx.l.google.com.
threatsim.com. 1800 MX 20 alt2.aspmx.l.google.com.
threatsim.com. 1800 MX 30 aspmx2.googlemail.com.
threatsim.com. 1800 MX 30 aspmx5.googlemail.com.
Authority
threatsim.com. 172800 NS ns-1410.awsdns-48.org.
threatsim.com. 172800 NS ns-1653.awsdns-14.co.uk.
threatsim.com. 172800 NS ns-203.awsdns-25.com.
threatsim.com. 172800 NS ns-876.awsdns-45.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0