- Plesk for Linux
- Plesk for Windows
The https://intodns.com/ shows the following error for a domain:
Reverse MX A records (PTR) ERROR: No reverse DNS (PTR) entries. The problem MX records are:
18.104.22.168.in-addr.arpa -> no reverse (PTR) detected
You should contact your ISP and ask him to add a PTR record for your ips
If Plesk DNS server is used, add PTR record for the domain using KB article 213934905 .
In case an external DNS server is used, it is required to contact Internet Service Provider (ISP) in order to add appropriate PTR records.
Note: It needed to wait for the DNS propagation period. It may take up 48 hours, but mostly faster.