Certificate authority
První certifikační autorita (I.CA)
První certifikační autorita (I.CA) operates 1 root certificate(s) trusted for TLS by at least one major root store (CCADB owner: První certifikační autorita, a.s.; country: CZ). See fingerprints, expiry and Chrome, Mozilla, Apple and Microsoft status.
Details
- CCADB CA owner
- První certifikační autorita, a.s.
- Country
- CZ
- Country (CCADB)
- Czech Republic
- Roots
- 1
- Roots trusted for TLS
- Chrome 0 · Mozilla 0 · Apple 0 · Microsoft 1
- Intermediates under its roots
- 2 (2 valid)
- Auditor
- TayllorCox PCEB
CAA records
The CCADB lists no recognized CAA domain for the valid intermediates of První certifikační autorita (I.CA). Section 4.2 of a CA's CP/CPS has to state the issuer domain names it accepts in CAA records, so check that document.
For issuewild, iodef or DNS-provider formats, use the CAA record generator: CAA Generator
Root certificates (CCADB)
První certifikační autorita (I.CA) has 1 root certificate(s) in the CCADB TLS report. Together they have signed 2 intermediate CA certificates, 2 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 |
|---|---|---|---|---|---|---|---|
| I.CA TLS Root CA/RSA 05/2022 | RSA 4096 | 2047-05-03 | Not included | Not included | Not included | Included | 2 (2) |
Audits
Audit data the CCADB records for the TLS roots of První certifikační autorita (I.CA). Auditor(s): TayllorCox PCEB. The most recent audit period ended on 2026-05-09.
| Audit | Scheme | Period | Statement | Report |
|---|---|---|---|---|
| Standard audit | ETSI EN 319 411 | 2025-05-10 – 2026-05-09 | 2026-07-23 | pceb.tayllorcox.cz |
| Network security | ETSI EN 319 411 | 2025-05-10 – 2026-05-09 | 2026-07-23 | pceb.tayllorcox.cz |
| TLS Baseline Requirements | ETSI EN 319 411 | 2025-05-10 – 2026-05-09 | 2026-07-23 | pceb.tayllorcox.cz |
| TLS EV Guidelines | ETSI EN 319 411 | 2025-05-10 – 2026-05-09 | 2026-07-23 | pceb.tayllorcox.cz |
CP/CPS documents
Certificate Policy and Certification Practice Statement links that První certifikační autorita (I.CA) has disclosed in the CCADB for its TLS roots, with effective dates:
- CPS: https://www.ica.cz/sites/default/files/docs/2026/04/cps_rsa_1v75_en.pdf (effective 2026-04-25)
- CP: https://www.ica.cz/sites/default/files/docs/2026/09/cp_root_rsa_tls_1v005_en.pdf (effective 2026-09-12)
- CP: https://www.ica.cz/sites/default/files/docs/2026/04/cp_root_rsa_tls_1v004_en.pdf (effective 2026-09-12)
Report a certificate problem
To report a mis-issued certificate, a compromised private key or other abuse, use the channels První certifikační autorita (I.CA) lists in the CCADB (replace [at] and [dot] in addresses):
certproblem[at]ica[dot]cz
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 “I.CA”:
FAQ
What CAA record allows První certifikační autorita (I.CA) to issue certificates?
The CCADB lists no recognized CAA domain for První certifikační autorita (I.CA); check section 4.2 of its CP/CPS.
Who audits První certifikační autorita (I.CA)?
TayllorCox PCEB, according to the CCADB. The latest TLS Baseline Requirements audit (ETSI EN 319 411) covers 2025-05-10 to 2026-05-09; the statement is dated 2026-07-23.
How do I report a problem certificate to První certifikační autorita (I.CA)?
Use the channel(s) listed in the CCADB: certproblem[at]ica[dot]cz.
How many root certificates does První certifikační autorita (I.CA) have?
1 in the CCADB TLS report. Trusted for TLS: Chrome 0, Mozilla 0, Apple 0, Microsoft 1. They have signed 2 intermediates, 2 of them still valid.