ns2.unifiedlayer.com has no MX records.
Question and response
Question
dig ns2.unifiedlayer.com. MX
Answer
The response has no answer records.
Authority
unifiedlayer.com. 300 SOA ns1.unifiedlayer.com. root.unifiedlayer.com. 2026020902 28800 14400 3600000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0