mx4.emailsecurity.bracnet.net has no MX records.
Question and response
Question
dig mx4.emailsecurity.bracnet.net. MX
Answer
The response has no answer records.
Authority
mx4.emailsecurity.bracnet.net. 3600 SOA dns1.spamrl.com. hostmaster.spamrl.com. 2026022102 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0