Intermediate CAValid (4978 days left)

Deutsche Telekom AG QSign CA25B

Germany · Published by Bundesnetzagentur (BNetzA) — German eIDAS supervisory body and Trusted List operator

The issuer "TeleSec qualified Root CA 1" 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.

Subject (CN): Deutsche Telekom AG QSign CA25B
Issuer (CN): TeleSec qualified Root CA 1
Role: Intermediate CA
Key algorithm: EC P-256
Validity: Valid (4978 days left)
Valid from: Mar 25, 2025, 09:12 a.m. UTC
Valid to: Mar 24, 2040, 11:59 p.m. UTC
Serial number: 066ad364475c3f3200f531e1933b21ad
SHA-256: 5a475b9063ff929af002f155eb3f7a83f0c87184c191d485f769bb300ed5ec9f
Decentralized ID (did:pki): did:pki:de:deutsche-telekom:qsign-ca25bResolve →
This CA is addressable as a did:pki decentralized identifier, derived from its subject and resolvable to a W3C DID Document.
CRL: http://tqrca1.crl.telesec.de/rl/TeleSec_qualified_Root_CA_1.crl
OCSP: http://tqrca1.ocsp.telesec.de/ocspr
File: deutsche-telekom-ag-qsign-ca25b.pem

This certificate is public data published by Bundesnetzagentur (BNetzA) — German eIDAS supervisory body and 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, 02:53 p.m. UTC.