CAA Analysis
Analyze CAA records for a domain to see which certificate authorities are authorized and whether issue, issuewild, or iodef tags are present.
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What this tool does
CAA Analysis helps you review certificate issuance restrictions for a domain by interpreting issue, issuewild, and iodef tags.
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How to Read CAA Records Correctly
Learn how to read CAA records, understand issue, issuewild, and iodef tags, and tell whether certificate issuance is properly restricted for a domain.
How to Fix CAA Record Errors Before Certificate Renewal Fails
Learn how to fix CAA record errors, why certificate issuance gets blocked, and how to verify issue, issuewild, and parent-domain policy before renewal fails.
What are CAA records?
Learn what CAA records contain, how issue and issuewild tags work, and how CAA helps control which certificate authorities can issue for your domain.