Question and response
Question
dig email-smtp.us-east-1.amazonaws.com. A
Answer
email-smtp.us-east-1.amazonaws.com. 60 A 3.224.1.122
email-smtp.us-east-1.amazonaws.com. 60 A 52.206.145.59
email-smtp.us-east-1.amazonaws.com. 60 A 54.157.237.25
Authority
email-smtp.us-east-1.amazonaws.com. 172800 NS ns-1488.awsdns-58.org.
email-smtp.us-east-1.amazonaws.com. 172800 NS ns-1934.awsdns-49.co.uk.
email-smtp.us-east-1.amazonaws.com. 172800 NS ns-242.awsdns-30.com.
email-smtp.us-east-1.amazonaws.com. 172800 NS ns-757.awsdns-30.net.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0