Trust Directory
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 (3628 days left)

a-sign-Premium-Sig-09

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

Download .pemBack to Austria

The issuer "A-Trust-Root-09" 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-Sig-09Intermediate CA

Certificate fields

Subject (CN)
a-sign-Premium-Sig-09
Issuer (CN)
A-Trust-Root-09
Role
Intermediate CA
Key algorithm
RSA-4096
Validity
Valid (3628 days left)
Valid from
Valid to
Serial number
53503265
SHA-256
b900e04138e0555147c98b728b2df0028fcacce798f10cc8fa4a4a9e56532cd9
Decentralized ID (did:pki)
did:pki:at:a-trust:a-sign-premium-sig-09Resolve →

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-09
OCSP
http://ocsp.a-trust.at/ocsp
File
a-sign-premium-sig-09.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.