How do I set a PTR / rDNS record? | SistemDC

How do I set a PTR / rDNS record?

How do I set a PTR / rDNS record?

Short answer: On most services, rDNS (PTR) is self-service on the service detail page. Missing PTR can break outbound email.

Steps

Open the server / IP service in the client area.
Find Reverse DNS / rDNS / PTR.
Set the hostname for the IP (e.g. mail.example.com.) and save.
Wait a few minutes for propagation; verify with dig -x IP or an online PTR lookup.

If self-service is missing, open a ticket with the IP and desired PTR hostname. Create a support ticket

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