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Intermediate CAExpired (2393 days ago)

PostSignum Qualified CA 2

Czech Republic · Published by Digitální a informační agentura (DIA) — Digital and Information Agency, Czech eIDAS supervisory body and national Trusted List scheme operator

The issuer "PostSignum Root QCA 2" is not present in this mirror, so the chain below starts at this certificate.

Certificate chain

Trust path from the root down to this certificate.

  1. PostSignum Qualified CA 2Intermediate CA

Certificate fields

Subject (CN)
PostSignum Qualified CA 2
Issuer (CN)
PostSignum Root QCA 2
Role
Intermediate CA
Key algorithm
RSA-2048
Validity
Expired (2393 days ago)
Valid from
Valid to
Serial number
71
SHA-256
3ae4f4de5f3e2070a11845bdfe6dca6e412bb7e4ed84fd4f1b7b496cadff2cac
Decentralized ID (did:pki)
did:pki:cz:eska-pota-sp-i-47114983:postsignum-qualified-ca-2Resolve →

This CA is addressable as a did:pki decentralized identifier, derived from its subject and resolvable to a W3C DID Document.

CRL
http://www.postsignum.cz/crl/psrootqca2.crl
http://www2.postsignum.cz/crl/psrootqca2.crl
http://postsignum.ttc.cz/crl/psrootqca2.crl
File
postsignum-qualified-ca-2.pem

Provenance

This certificate is public data published by Digitální a informační agentura (DIA) — Digital and Information Agency, Czech eIDAS supervisory body and national Trusted List scheme operator. This site mirrors and structures it; it is not the issuing authority. The SHA-256 fingerprint above is provided as tamper evidence: recompute it against the downloaded .pem to confirm integrity.

Mirror snapshot generated Jul 23, 2026, 06:57 p.m. UTC.