ns2.rosprint.net has no MX records.
Question and response
Question
dig ns2.rosprint.net. MX
Answer
The response has no answer records.
Authority
rosprint.net. 86400 SOA master.rosprint.net. dnsmaster.rosprint.net. 2026021103 19800 7200 604800 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0