2.9.6. SSL certificate format
The hosting uses SSL certificates of the X.509 standard in the format
pem... It is a simple text file with between the lines
----- BEGIN CERTIFICATE ----- and
----- END CERTIFICATE ----- hosts the Base64 encoded certificate. The file can contain either a single certificate or a chain of certificates. The file usually has the extension
You can check or decode the certificate, for example, using the online service SSL Shopper | Certificate Decoder.