teliadns.net has no MX records.
Question and response
Question
dig teliadns.net. MX
Answer
The response has no answer records.
Authority
teliadns.net. 3600 SOA s3.teliadns.net. backbone.telia.net. 10 3600 1800 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0