mx30.clayinteractive.site has no CNAME records.
Question and response
Question
dig mx30.clayinteractive.site. NS
Answer
The response has no answer records.
Authority
site. 508 SOA ns0.centralnic.net. hostmaster.centralnic.net. 423829 900 1800 6048000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0