ns4.brdrive.net has no MX records.
Question and response
Question
dig ns4.brdrive.net. MX
Answer
The response has no answer records.
Authority
ns4.brdrive.net. 900 SOA ns4.brdrive.net. info.centos-webpanel.com. 2023110104 3600 900 604800 900
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0