ns3.bearstech.net has no MX records.
Question and response
Question
dig ns3.bearstech.net. MX
Answer
The response has no answer records.
Authority
bearstech.net. 900 SOA ns1.bearstech.net. support.bearstech.com. 2024081901 3600 900 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0