GlobalTrustFinder: Online OCSP ( RFC 2560) checking service

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Welcome to the OCSP Certificate Revocation Checking Service

Online Certificate Status Checking (OCSP)

GlobalTrustFinder provides an RFC2560 compliant OCSP service for several CAs. This service is operated using the Ascertia TrustFinderOCSP v5 service module on the ADSS Infrastructure Server platform.

You can use your RFC2560-compliant OCSP client applications against this service, the access details are here.

Alternatively you can perform a simple manual certificate validation using the web form below.

Select your Certificate:

Select issuing Certificate Authority (CA):

Select Target Certificate

By entering certificate serial number (in Hex)
By entering certificate file (in .crt or .cer format)

Notes
	This free service is for demo/testing purposes only.
	The same OCSP server is responding on behalf of several CAs. It retrieves certificate status information from these CAs based on unique polling policies and mechanisms.
	OCSP service provides only information on whether a certificate is revoked or not at the current time on the server. GlobalTrustFinder also provides the ability to verify the full digital signature rather than only the signer’s certificate. The signature verification demos are located here.
	The GlobalTrustFinder OCSP Service responds only for registered CAs. If you would like to have a CA registered within this free OCSP service then please email info@ascertia.com with your details. We are able to respond quickly to reasonable business requests.