smtp2.moderntv.eu has no CNAME records.
Question and response
Question
dig smtp2.moderntv.eu. NS
Answer
The response has no answer records.
Authority
moderntv.eu. 900 SOA ns-664.awsdns-19.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0