This digital certificate with serial number 0f:8b:88:e5 was issued on
by Universitaet Potsdam.
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 keyUsage extension SHOULD be critical
(RFC 5280: 220.127.116.11)
Organization:Universitaet Potsdam Organization unit: HPI
Organization unit: Internet-Technologien und -Systeme
Time since certificate expired
This certificate has expire since
Serial Number (hex): 0f:8b:88:e5
Serial Number (int): 260802789
Serial Number lenght: 28 bits, 4 octets