Certificate revocation lists (CRLs) are usually generated automatically periodically, e.g. once per day.
The revocation list of the root-CA (ARL) will be downloaded from an LDAP server.
| CA certificate | Serial number | Next update | Status | ||
| Internal Business CA 2 | 7226 | 04/10/2026 05:02:59 CEST | active | Download revocation list | |
| Internal Business CA 3 | 6295 | 04/09/2026 10:18:06 CEST | active | Download revocation list | |
| Internal Business CA 5 | 2642 | 04/09/2026 10:18:05 CEST | active | Download revocation list | |
| Internal Business CA 6 | 404 | 04/10/2026 05:56:45 CEST | active | Download revocation list | |
| Telekom Security BusinessID SMIME CA 2023 | 5910 | 04/10/2026 04:52:59 CEST | active | Download revocation list | |
| Telekom Security SMIME ECC CA 23 | 925 | 04/09/2026 10:36:01 CEST | active | Download revocation list | |
| Telekom Security SMIME RSA CA 23 | 921 | 04/09/2026 10:18:05 CEST | active | Download revocation list | |
| TeleSec Business TLS-CA 2022 | 3071 | 04/09/2026 10:18:06 CEST | active | Download revocation list | |
| Download ARL |