inbound-smtp.us-east-1.amazonaws.com CNAME records

CNAME Canonical name
Apex domains cannot have CNAME records.

Question and response

Question

dig inbound-smtp.us-east-1.amazonaws.com. NS

Answer

inbound-smtp.us-east-1.amazonaws.com. 5 NS ns-1827.awsdns-36.co.uk. inbound-smtp.us-east-1.amazonaws.com. 5 NS ns-778.awsdns-33.net. inbound-smtp.us-east-1.amazonaws.com. 5 NS ns-152.awsdns-19.com. inbound-smtp.us-east-1.amazonaws.com. 5 NS ns-1450.awsdns-53.org.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0