m40.dh.teliadns.no has no MX records.
Question and response
Question
dig m40.dh.teliadns.no. MX
Answer
The response has no answer records.
Authority
teliadns.no. 3600 SOA dns1.telia.com. backbone.telia.net. 5 3600 900 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0