ns2.goskope.opskope.com has no MX records.
Question and response
Question
dig ns2.goskope.opskope.com. MX
Answer
The response has no answer records.
Authority
opskope.com. 300 SOA ns1.name.com. hostmaster.nsone.net. 1610174024 7200 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0