ip6.webhost1.net has no MX records.
Question and response
Question
dig ip6.webhost1.net. MX
Answer
The response has no answer records.
Authority
ip6.webhost1.net. 3600 SOA ns1.webhost1.com. tech.webhost1.com. 2023012406 10800 3600 604800 86400
Additional
. 0 OPT ; payload 1680, xrcode 0, version 0, flags 0