64-192-23-217.static.corp.blic.net has no MX records.
Question and response
Question
dig 64-192-23-217.static.corp.blic.net. MX
Answer
The response has no answer records.
Authority
corp.blic.net. 3600 SOA phobos.blic.net. hostmaster.blic.net. 2020072901 86400 3600 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0