Question and response
Question
dig smtpout2.rebel.com. A
Answer
smtpout2.rebel.com. 300 A 52.21.79.213
Authority
rebel.com. 172800 NS ns-143.awsdns-17.com.
rebel.com. 172800 NS ns-1509.awsdns-60.org.
rebel.com. 172800 NS ns-1559.awsdns-02.co.uk.
rebel.com. 172800 NS ns-837.awsdns-40.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0