mx3.logixcom.net has no CNAME records.
Question and response
Question
dig mx3.logixcom.net. NS
Answer
The response has no answer records.
Authority
logixcom.net. 94 SOA ns1.logixcom.net. support.logixcom.net. 2024022617 3600 600 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0