The answer
Usually the relevant website records can be changed independently. Preserve mail and verification records, and review the complete DNS configuration before any nameserver migration.
How is an existing domain connected to a Vercel deployment?
Will connecting the website domain require deleting existing email DNS records?
More FAQs in How is an existing domain connected to a Vercel deployment?
No. Use the DNS value displayed for the domain in your own Vercel project. Another project's value may not match the required configuration.
Open the real hostname and verify HTTPS, redirects, login, and important linked journeys. A valid domain configuration does not independently verify every application integration.
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