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Domain Verification

Overview

Domain verification proves control over a web domain by completing DNS, file-host, or email validation challenges. In compliance and security it underpins email authentication (SPF, DKIM, DMARC), issuance of TLS certificates, and trust in links used during onboarding, consent, and communication. Verified domains reduce phishing, improve deliverability, and support brand indicators.

Programs should enforce DMARC with quarantine or reject, monitor spoofing attempts, and rotate keys and certificates with strong lifecycle management. For fintechs, verified callback or redirect URIs and signed webhooks prevent OAuth abuse and tampering. Governance includes change controls, audit logs of validation events, and incident response for domain hijacks.

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Related Terms

Passkeys (WebAuthn)

OAuth 2.0

QR Code Authentication

FAQ

Why does domain verification matter for compliance?

Verified domains enable secure email and web communication, reducing phishing risk and ensuring customers interact with authentic channels during sensitive steps.

How is verification performed in practice?

Add DNS TXT or CNAME records, host a challenge file, or receive a validation email. Automate renewals and certificate rotations to avoid silent expiry.

What is the link to DMARC and TLS?

DMARC, SPF, and DKIM protect email authenticity; TLS protects data in transit. Both rely on controlled domains and proper key management.

How should issues be monitored and escalated?

Track spoofing attempts, certificate expiry, and DNS changes. Build runbooks for rapid revocation, reissuance, and customer communication.