CAA record presence
Check whether the domain publishes CAA records.
Check which certificate authorities are allowed to issue SSL certificates for your domain.
Free CAA check • Live DNS • No signup
Queries DNS CAA records and explains which certificate authorities may issue SSL certificates.
CAA records let you control which certificate authorities may issue SSL certificates for your domain. Without them, any public CA can issue after normal validation — which is fine for many sites, but a gap if you want stricter issuance policy or to block unauthorized certificate requests.
One check reviews CAA records, allowed certificate authorities and SSL issuance policy.
Check whether the domain publishes CAA records.
Review which CAs are allowed to issue certificates for the domain.
Check standard and wildcard certificate issuance rules.
Find iodef reporting addresses for certificate issuance issues.
Find certificate issuance policy signals that may affect SSL management.
Missing CAA records are common and not a certificate failure. For installed certificate status, use SSL Checker and DNS Lookup.
The checker reads DNS CAA records and explains SSL certificate issuance policy.
We normalize the domain and query CAA records that control certificate issuance.
The tool checks CAA records in DNS for your domain and parent policy where available.
See allowed certificate authorities, wildcard rules, reporting contacts and recommended improvements.
CAA records restrict issuance to specific certificate authorities.
CAA records were found and appear valid. Review allowed CAs and reporting.
No CAA records found. This is common and does not invalidate existing SSL certificates.
One or more CAA values may need attention before certificate renewal.
CAA records control certificate issuance policy. They do not prove the currently installed SSL certificate is valid.
Checking CAA records…
Send us your domain report and we’ll review the issue.
Learn more: What is CAA? · SSL Checker
CAA records control which CAs may issue certificates. Absence of CAA does not mean certificates are invalid. How we check
Common questions about CAA records and certificate issuance policy.