Question and response
Question
dig mailer2.threatsim.com. A
Answer
mailer2.threatsim.com. 300 A 54.173.83.138
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