ns3.fiord.net has no MX records.
Question and response
Question
dig ns3.fiord.net. MX
Answer
The response has no answer records.
Authority
fiord.net. 86400 SOA ns1.fiord.net. noc.fiord.net. 2026022300 14400 1800 2592000 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0