Independent public mirror of national PKI trust anchors, not an authority. Certificates are published by each national PKI (e.g., BCCR for Costa Rica); this site mirrors and structures them.
Intermediate CAValid (4176 days left)

a-sign-Premium-Once-10

Austria · Published by Rundfunk und Telekom Regulierungs-GmbH (RTR) — supervisory authority for the Telekom-Control-Kommission (TKK), Austrian eIDAS supervisory body and national Trusted List operator

The issuer "A-Trust-Root-10" 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. a-sign-Premium-Once-10Intermediate CA

Certificate fields

Subject (CN)
a-sign-Premium-Once-10
Issuer (CN)
A-Trust-Root-10
Role
Intermediate CA
Key algorithm
RSA-4096
Validity
Valid (4176 days left)
Valid from
Valid to
Serial number
19ed470dde561630363335433f882462
SHA-256
c2308ea574134d78b5f41ceefaa5da3fe9e7ccf7e9e5b9c1c2d23d61b8efa6e1
Decentralized ID (did:pki)
did:pki:at:a-trust:a-sign-premium-once-10Resolve →

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

CRL
http://crl.a-trust.at/crl/A-Trust-Root-10
OCSP
http://ocsp.a-trust.at/ocsp
File
a-sign-premium-once-10.pem

Provenance

This certificate is public data published by Rundfunk und Telekom Regulierungs-GmbH (RTR) — supervisory authority for the Telekom-Control-Kommission (TKK), Austrian eIDAS supervisory body and national Trusted List 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, 04:08 p.m. UTC.