Check domain names in certificate

There are several ways to check which domains are included in a certificate.


The contents can be pasted in the SSLDecoder. Please make sure the data starts with -----BEGIN CERTIFICATE----- and ends with -----END CERTIFICATE-----

You can check the included domains in the field 'Domains'

Certificate Decoder output


If the certificate is already installed, the contents can be checked with the SSLCheck. After entering the domain name, the domains can be checked in the field 'Domains'.



The certificate contents can be checked by opening the certificate. In Windows, doubleclick on the .crt file, and check the tab Details > Alternative Name for subject (Subject Alternative Name).

Certificate overview in Control Panel

After logging into the Control Panel a certificate overview can be downloaded in Excel format from the tab Certificates. The extra domains of a certificate are mentioned in the Extra domains column.


Our SSLCheck will examine your website's root and intermediate certificates for correctness and report any potential issues