Certificate Revocation Distribution Point

Public CRL & CA chain repository · Carl Zeiss Identity Operations (CIT-OI)

Publishing normally

Download current CRLs and CA certificates

These distribution points are public by design. Relying parties, devices and validation services fetch them anonymously — no sign-in, no client certificate and no allow-listing is required. Files are republished on each CRL interval; always fetch the current copy rather than caching one past its nextUpdate time. Every date below is read from the file itself and shown in UTC.

Active hierarchy Currently issuing — use these for new deployments

Carl Zeiss AG Root CA 2045

Root — self-signed
Current
Type
Published
Valid until
Size
Download
CA cert
2025-08-07
2045-08-02
1.4 KB
↓ Download CA
CRL
2026-07-30
2027-07-30
807 B
↓ Download CRL
Offline root — install this certificate as a trust anchor.

Carl Zeiss AG Auth CA1 2035

Authentication — issued by Carl Zeiss AG Root CA 2045
Current
Type
Published
Valid until
Size
Download
CA cert
2025-09-18
2035-09-16
1.5 KB
↓ Download CA
CRL
2026-09-03
2026-09-06
1.9 MB
↓ Download CRL
This CRL is due for renewal on 2026-09-06 — 2 days from now.

Carl Zeiss AG TLS CA1 2035

TLS — issued by Carl Zeiss AG Root CA 2045
Current
Type
Published
Valid until
Size
Download
CA cert
2025-09-18
2035-09-16
1.5 KB
↓ Download CA
CRL
2026-09-03
2026-09-06
2.4 KB
↓ Download CRL
This CRL is due for renewal on 2026-09-06 — 2 days from now.
Legacy chain No longer issuing — retained so existing certificates still validate

Carl Zeiss AG Root-CA-2036

Root — self-signed
Legacy — retained for chain validation
Type
Published
Valid until
Size
Download
CA cert
2016-10-25
2036-10-25
2.0 KB
↓ Download CA
CRL
2025-09-18
2026-12-17
1.2 KB
↓ Download CRL

Carl Zeiss AG Root-CA

Root — self-signed
Legacy — retained for chain validation
Type
Published
Valid until
Size
Download
CA cert
2006-05-04
2026-09-26
1.6 KB
↓ Download CA
CRL
2025-09-18
2026-09-26
742 B
↓ Download CRL
This CA certificate expires on 2026-09-26 — 21 days from now. This CRL is due for renewal on 2026-09-26 — 21 days from now.

Carl Zeiss AG Corporate-CA-2026

Corporate — issued by Carl Zeiss AG Root-CA-2036
Legacy — retained for chain validation
Type
Published
Valid until
Size
Download
CA cert
2016-11-10
2026-11-10
2.0 KB
↓ Download CA
CRL
2026-03-24
2026-11-11
14 KB
↓ Download CRL

Carl Zeiss AG Authentication-CA-2027

Authentication — issued by Carl Zeiss AG Root-CA-2036
Legacy — retained for chain validation
Type
Published
Valid until
Size
Download
CA cert
2017-03-27
2027-03-27
2.0 KB
↓ Download CA
CRL
2026-03-24
2027-03-27
683 KB
↓ Download CRL

Carl Zeiss AG E-Mail CA-2028

E-mail — issued by Carl Zeiss AG Root-CA-2036
Legacy — retained for chain validation
Type
Published
Valid until
Size
Download
CA cert
2018-02-28
2028-02-28
2.6 KB
↓ Download CA
Chain material only — no current CRL is published for this CA.

Carl Zeiss AG E-Mail CA-2026

E-mail — issued by Carl Zeiss AG Root-CA-2036
Legacy — retained for chain validation
Type
Published
Valid until
Size
Download
CA cert
2016-11-10
2026-11-10
2.9 KB
↓ Download CA
Chain material only — no current CRL is published for this CA.