Changing IP address on EC2 instance running DNSOnly

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Christopher Hawker

Registered
Feb 1, 2017
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Sydney, Australia
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Root Administrator
Hello All,

I have 3 of 4 of my DNSOnly servers running on EC2 (the fourth is on one of my servers in colo). If I change the EIPs on the DNS servers, will that cause the DNS to break? I was thinking they wouldn't, as they are using hostnames and not IP addresses.

Thanks :)
 
cPanelMichael

cPanelMichael

Administrator
Staff member
Apr 11, 2011
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2,261
463
Hello,

The IP address that's detected when initially adding the server to the cluster is utilized as the name of the configuration file in the following directory:

/var/cpanel/cluster/root/config/

I recommend re-adding the DNS-Only server via "WHM Home » Clusters » DNS Cluster" on any hosting servers that use it for clustering after the IP change.

Thank you.
 
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