Certificate Transparency Logs
Every SSL/TLS certificate ever issued for a domain, sourced from public CT logs, use it for subdomain discovery, CA auditing and expiry monitoring.
Direct TLS probe (~3s) + full history via crt.sh • Includes subdomains • Results deduplicated
Establishing secure TLS connection…
Analysing certificate transparency records for
Live certificate handshake & validation
Retrieving full issuance history from CT logs
Analysing certificates & compiling intelligence
Live certificate available in ~3s • complete history may take up to 40s
widecorner.de
Certificate Transparency • 17 certs found
C
Fair
17
Total
3
Active
14
Expired
5
Hosts
5
Issuers
⚠ 2 certs expiring within 30 days
82% of certificates are expired
Last issued 2026-09-05
Certificate Authorities
5 unique
C=US, O=Let's Encrypt, CN=R12
6 (35.3%)
C=US, O=Let's Encrypt, CN=R13
4 (23.5%)
C=US, O=Let's Encrypt, CN=YE2
3 (17.6%)
C=US, O=Let's Encrypt, CN=E8
2 (11.8%)
C=US, O=Let's Encrypt, CN=E7
2 (11.8%)
Key Algorithms
avg 0.2yr lifespan
RSA
10 (59%)
ECDSA
7 (41%)
Cert lifespan distribution
≤1yr
17
Discovered Hostnames
5 unique
gymsharkaudk.widecorner.de
onjmqbpu.widecorner.de
se.widecorner.de
widecorner.de
www.widecorner.de
Active Certificate Expiry Risk
3 active
2
≤ 7 days
Critical
67% of active
0
8–14 days
Warning
0
15–30 days
Caution
1
31–90 days
Monitor
33% of active
Expiring Soon
3 within 90 days
| Common Name | Expires | Days Left | Issuer (CA) | Key |
|---|---|---|---|---|
| widecorner.de | 2026-10-04 | 7d | ECDSA 256 | |
| widecorner.de | 2026-10-04 | 7d | ECDSA 256 | |
| widecorner.de | 2026-12-04 | 68d | ECDSA 256 |
No certificates match the current filter.