I configured the IPv4 and IPv6 reverse DNS settings in the SCP panel.
When querying using the `dig -x ip` command, the IPv4 reverse DNS works correctly.
However, the IPv6 reverse DNS query returns `nobody.yourvserver.net` instead of my domain, `mx.xxxx.com`.
My settings:
152.53.xxx.xxx mx.xxxx.com
2a0a:xxxx:xxxxx:xxxx:0:0:0:1 mx.xxxx.com