Before writing any verification code, settle one thing about the customer's DNS: does your platform hold the zone, or does the customer? For a developer-tools product where onboarding can't complete until an account can prove it owns a domain, that single boundary decides the whole design — the ...

Source: [Dev.to](https://dev.to/dawnli2026/4-failure-modes-of-txt-record-domain-ownership-verification-in-fastapi-onboarding-5f5c)

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