I usually add a domain to CF and it copies over the existing DNS records, very handy. However, for the very first time, I just did this process on a domain that was already using CF (not my account, another developer and the A records were all proxied. I didn’t realize this, so when it copied over the A records, it copied the proxy records and so when the NS records were updated, the site went down.
So 2 questions:
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Is there a way to discern what the original A records actually were? Probably not at this point, I’d imagine.
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But in the future, how would I copy the records so I avoid this screw up in the future?