: When changing the hostname of a server, can a CNAME be used with the old name for backwards compatibility? We have a VPS hosting a few of dozen sites at server.example.com. We're deploying

We have a VPS hosting a few of dozen sites at server.example.com. We're deploying 3 more VPSs this week to cope with growth & want to change our naming structure.

E.g. s1.example.com, s2.example.com, s3.example.com, etc.

If we change the hostname of our current server, is there a way we can set an alias (like a CNAME) so that we don't have to change the config of every device that connects to us for mail services? Currently almost 80 devices.

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@Heady270

It is perfectly acceptable for multiple host names to refer to the same IP address (and server). So yes, use a CNAME with the old name of your VPS so that all the devices that connect with that name can continue to do so without re-configuration.

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: When changing the hostname of a server, can a CNAME be used with the old name for backwards compatibility? We have a VPS hosting a few of dozen sites at server.example.com. We're deploying

More posts by @Rivera981

: How to display web site in top searches in a serach engine? Hi I want to display my web site and list it in the top searches in Google, Bing and Yahoo search engine? How should I proceed

: Reconfiguring DNS without losing Gmail I have a domain name registered with Google through their G Suite service which utilizes enom, and a server on Digital Ocean. I went ahead and accessed

: Retroactively altering Google Analytics data I've just taken over a Google Analytics account that's been going for several years. About a year ago, a filter was applied to show the full domain

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