This digital certificate with serial number 17:67:22:5a:34:5b:01 was issued on
by Hochschule Esslingen.
With 5 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's
still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
The Subject Alternate Name extension MUST contain only 'dnsName' and 'ipaddress' name types.
Subscriber Certificate: commonName is deprecated.
The keyUsage extension SHOULD be critical
(RFC 5280: 22.214.171.124)
Subscriber Certificate: extKeyUsage either the value id-kp-serverAuth or id-kp-clientAuth or both values MUST be present.