nsa.interlan.nu has no MX records.
Question and response
Question
dig nsa.interlan.nu. MX
Answer
The response has no answer records.
Authority
interlan.nu. 900 SOA ns.interlan.se. support\.sodranorrland.nordlo.com. 2026022202 14800 7200 2592000 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0