Question and response
Question
dig us-east.atmailcloud.com. MX
Answer
us-east.atmailcloud.com. 1800 MX 10 mx-10.us-east.atmailcloud.com.
us-east.atmailcloud.com. 1800 MX 20 mx-20.us-east.atmailcloud.com.
Authority
us-east.atmailcloud.com. 172800 NS ns-1500.awsdns-59.org.
us-east.atmailcloud.com. 172800 NS ns-1556.awsdns-02.co.uk.
us-east.atmailcloud.com. 172800 NS ns-457.awsdns-57.com.
us-east.atmailcloud.com. 172800 NS ns-662.awsdns-18.net.
Additional
mx-10.us-east.atmailcloud.com. 60 A 54.158.18.253
mx-20.us-east.atmailcloud.com. 60 A 18.213.226.15
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0