Note
If a reverse DNS is already set on your failover IP, the button is labeled Edit reverse.
Reverse DNS, or rDNS, is exactly the opposite of classic forward DNS as we know it. Forward DNS maps a hostname to an IP address. Reverse DNS means we are mapping the IP address to a hostname. This can be very useful, especially if you want to send emails from your Elastic Metal server.
To complete the actions presented below, you must have:
If a reverse DNS is already set on your failover IP, the button is labeled Edit reverse.
When configuring the reverse DNS for a flexible IPv6, the configuration applies to the first IP (XXXX:0
) of the /64 IP block.
Make sure that a corresponding A-Record
(IPv4) or AAAA-Record
(IPv6) is pointing to the IP address exists before editing the reverse DNS of an IP address.