The Online Certificate Status Protocol (OCSP) supports:

  • Nonce extension
  • Archive Cutoff extension
  • Multiple OCSP certificates per request
  • Signed/Unsigned requests
  • Delegated keys
  • OCSP may be configured for both roots and issuing CAs

OCSP services are available at the following URLs.

US region
http://ocsp.pkiaas.entrust.com/ocsp/{accountId}/{caId}
EU region
http://ocsp.eu.pkiaas.entrust.com/ocsp/{accountId}/{caId} 
PQ Lab region
http://ocsp.pqlab.pkiaas.entrust.com/ocsp/{accountId}/{caId}

Where {accountId} is your account identifier, and {caId} is the Certification Authority identifier.