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I'm coding an application the lets people attach their custom domains to it without my manual intervention or messing with httpd.conf.

So I need a method very similar to the method described by Google at the following URL: http://www.google.com/support/blogger/bin/answer.py?hl=en&answer=55373... Except I'm not Google, so I may switch hosting provider anytime and the IPs will be completely changed.

That will cause a HUGE problem since it means I have to get everyone to update their domain CNAME settings which is impossible without severe downtime.

So how can I have the domains pointed to something fixed like ns1/ns2.mydomain.com?

Your help would be greatly appreciated.

emurad
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1 Answers1

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A CNAME record is just a pointer to another record. So you setup your own record, like hosted.example.com; then tell your customers to point their CNAME at it. Tell them not to use A records because it will break eventually.

Also, when your changing IPs, know that it may take a long time for DNS to update properly. You should plan on at least 1 whole week; though a more conservative number would be 1 month.

Chris S
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