Certificate authority
Deutsche Telekom Security
Deutsche Telekom Security operates 4 root certificate(s) trusted for TLS by at least one major root store (CCADB owner: Deutsche Telekom Security GmbH; country: DE). See fingerprints, expiry and Chrome, Mozilla, Apple and Microsoft status.
Details
- CCADB CA owner
- Deutsche Telekom Security GmbH
- Country
- DE
- Country (CCADB)
- Germany
- Roots
- 4
- Roots trusted for TLS
- Chrome 4 · Mozilla 4 · Apple 2 · Microsoft 4
- Intermediates under its roots
- 56 (31 valid)
- Auditor
- TÜV NORD CERT GmbH
- CAA
dfn.de
CAA records
The CCADB lists 3 CAA issuer domain(s) recognized by the currently valid intermediate certificates of Deutsche Telekom Security. One issue record with any of them lets Deutsche Telekom Security issue for your domain. Domains that contain the CA's name come first, the rest by how many valid intermediates recognize them.
Copy-ready record(s) for the first 3 domain(s):
example.com. CAA 0 issue "dfn.de"
example.com. CAA 0 issue "telesec.de"
example.com. CAA 0 issue "pki.dfn.de"| Domain | Valid intermediates |
|---|---|
dfn.de | 48 |
telesec.de | 48 |
pki.dfn.de | 48 |
For issuewild, iodef or DNS-provider formats, use the CAA record generator: CAA Generator
Root certificates (CCADB)
Deutsche Telekom Security has 4 root certificate(s) in the CCADB TLS report. Together they have signed 56 intermediate CA certificates, 31 of them still valid.
Roots this CA owner has in the CCADB TLS Server Authentication report, with current status in each root store.
- trusted for TLS
- included with limits (NotBefore / no TLS bit)
- removed or blocked
- not included
| Root certificate | Key | Expires | Ch | Mo | Ap | MS | Intermediates |
|---|---|---|---|---|---|---|---|
| T-TeleSec GlobalRoot Class 2 | RSA 2048 | 2033-10-01 | Included | Included | Included | Included | 32 (14) |
| T-TeleSec GlobalRoot Class 3 | RSA 2048 | 2033-10-01 | Included | Included | Included | Included | 9 (4) |
| Telekom Security TLS ECC Root 2020 | ECDSA P-384 | 2045-08-25 | Included | Included | Not included | Included | 7 (6) |
| Telekom Security TLS RSA Root 2023 | RSA 4096 | 2048-03-27 | Included | Included | Not included | Included | 8 (7) |
Audits
Audit data the CCADB records for the TLS roots of Deutsche Telekom Security. Auditor(s): TÜV NORD CERT GmbH. The most recent audit period ended on 2026-03-27.
| Audit | Scheme | Period | Statement | Report |
|---|---|---|---|---|
| Standard audit | ETSI EN 319 411 | 2025-04-04 – 2026-03-27 | 2026-04-28 | tuev-nord.de |
| Network security | ETSI EN 319 411 | 2025-04-04 – 2026-03-27 | 2026-04-28 | tuev-nord.de |
| TLS Baseline Requirements | ETSI EN 319 411 | 2025-04-04 – 2026-03-27 | 2026-04-28 | tuev-nord.de |
| TLS EV Guidelines | ETSI EN 319 411 | 2025-04-04 – 2026-03-27 | 2026-04-28 | tuev-nord.de |
CP/CPS documents
Certificate Policy and Certification Practice Statement links that Deutsche Telekom Security has disclosed in the CCADB for its TLS roots, with effective dates:
- CPS: https://www.telesec.de/assets/downloads/PKI-Repository/Telekom-Security-CPS-Public-EN-V13.0.pdf (effective 2026-10-16)
- CPS: https://www.telesec.de/assets/downloads/PKI-Repository/Telekom-Security-CPS-Public-EN-V12.0.pdf (effective 2026-10-16)
- CP: https://www.telesec.de/assets/downloads/PKI-Repository/Telekom-Security-CP-EN-DE-V9.0.pdf (effective 2026-03-15)
- Document repository: https://www.telesec.de/de/service/downloads/pki-repository/
Report a certificate problem
To report a mis-issued certificate, a compromised private key or other abuse, use the channels Deutsche Telekom Security lists in the CCADB (replace [at] and [dot] in addresses):
TrustCenter-Roots[at]telekom[dot]de
Incident reports
CAs in Mozilla's root program file compliance incident reports in Mozilla's Bugzilla (product CA Program, component CA Certificate Compliance). This search lists the bugs whose title contains the words “Telekom Security”:
FAQ
What CAA record allows Deutsche Telekom Security to issue certificates?
Publish example.com. CAA 0 issue "dfn.de". The CCADB lists 3 recognized domain(s) for Deutsche Telekom Security: dfn.de, telesec.de, pki.dfn.de.
Who audits Deutsche Telekom Security?
TÜV NORD CERT GmbH, according to the CCADB. The latest TLS Baseline Requirements audit (ETSI EN 319 411) covers 2025-04-04 to 2026-03-27; the statement is dated 2026-04-28.
How do I report a problem certificate to Deutsche Telekom Security?
Use the channel(s) listed in the CCADB: TrustCenter-Roots[at]telekom[dot]de.
How many root certificates does Deutsche Telekom Security have?
4 in the CCADB TLS report. Trusted for TLS: Chrome 4, Mozilla 4, Apple 2, Microsoft 4. They have signed 56 intermediates, 31 of them still valid.