winterfell.westeros.cloud has no MX records.
Question and response
Question
dig winterfell.westeros.cloud. MX
Answer
The response has no answer records.
Authority
westeros.cloud. 10800 SOA dns1.westeros.cloud. lflynn.hostnexus.com. 1619416151 10800 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0