Maybe it sounds too complicated, but I will do my best to explain. The problem is the following: some domain is pointing my servers IP address. How can I block that rDNS (PTR) record, so I can attach my domain to IP? I
ve already blocked that domain in /etc/hosts file like this:
127.0.0.1 horribledomain.com
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1 Answer
If it is public IP address then generally data center handle this rDNS entries. These entries are manage in related DNS zone. So check with require records.