ns3.aptalaska.net has no MX records.
Question and response
Question
dig ns3.aptalaska.net. MX
Answer
The response has no answer records.
Authority
aptalaska.net. 600 SOA ns1.aptalaska.net. dnsadmin.aptalaska.net. 2026017833 10800 3600 604800 600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0