mail.aptalaska.net has no MX records.
Question and response
Question
dig mail.aptalaska.net. MX
Answer
The response has no answer records.
Authority
aptalaska.net. 600 SOA ns1.aptalaska.net. dnsadmin.aptalaska.net. 2026017668 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0