If you have a dedicated or a VPS or hosting that can access SSH, you can check you’re the rdns by logging in to your ssh and running the following commands.
Please note that the reverse DNS determines whether there are ptr records associated with your domain.
dig -x xxx.xxx.xxx.xxx
replace xxx.xxx.xxx.xxx with your real IP address eg
dig –x 18.104.22.168
the result of the query is as follows:
QUESTION SECTION:;22.214.171.124.in-addr.arpa. IN PTR ;; ANSWER SECTION:126.96.36.199.in-addr.arpa. 42989 IN PTR 188.8.131.52.static.yourdomain
This output shows that IP address 184.108.40.206is associated with the domain name 220.127.116.11.static.yourdomain.