Issued by COMODO RSA Organization Validation Secure Server CA
About this certificate
This digital certificate with serial number 28:8f:6a:99:2b:84:4d:83:02:57:e4:de:86:a3:54:24 was issued on
by COMODO CA Limited.
With 2 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.
Cerificate errors/warnings *beta
Certificate contains an internal server name in the common name ''
Certificate CN is not listed in subjectAltName
Organization:QuestBack GmbH Organization unit: Hosted by QuestBack
Organization unit: Hosted by QuestBack GmbH
Organization unit: Multi-Domain SSL
Address:Gustav-Heinemann-Ufer 72a Postal code:50968 State / Province:Nordrhein-Westfalen Locality:Köln Country:DE
COMODO CA Limited
Organization:COMODO CA Limited
Postal code:50968 State / Province:Nordrhein-Westfalen Locality:Köln Country:DE
Time since certificate expired
This certificate has expire since
Serial Number (hex): 28:8f:6a:99:2b:84:4d:83:02:57:e4:de:86:a3:54:24
Serial Number (int): 53913780352961766695959212387454899236
Serial Number lenght: 126 bits, 16 octets