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
Current Certificate
EC 256-bit (P-256)
DV
live TLS probe
healthnavigator.org.nz
2026-03-24 → 2026-06-22
34d remaining
Google Trust Services (WE1)
healthnavigator.org.nz
Certificate Transparency • 49 certs found
A
Excellent
49
Total
2
Active
47
Expired
2
Hosts
9
Issuers
2 certs expiring in 60–90 days
96% of certificates are expired
Last issued 2026-04-10
Subdomain wildcard timed out — showing root domain only
Certificate Authorities
9 unique
R3
11 (22.4%)
Starfield Secure Certificate Authority - G2
10 (20.4%)
WE1
8 (16.3%)
Cloudflare TLS Issuing ECC CA 1
5 (10.2%)
Go Daddy Secure Certificate Authority - G2
5 (10.2%)
Cloudflare TLS Issuing RSA CA 1
4 (8.2%)
E5
3 (6.1%)
E8
2 (4.1%)
Key Algorithms
avg 0.5yr lifespan
Other
49 (100%)
Cert lifespan distribution
≤1yr
37
1–2yr
12
Discovered Hostnames
2 unique
healthnavigator.org.nz
www.healthnavigator.org.nz
Active Certificate Expiry Risk
2 active
0
≤ 7 days
Critical
0
8–14 days
Warning
0
15–30 days
Caution
2
31–90 days
Monitor
100% of active
Expiring Soon
2 within 90 days
| Common Name | Expires | Days Left | Issuer (CA) | Key |
|---|---|---|---|---|
| healthnavigator.org.nz | 2026-06-22 | 33d | — | |
| healthnavigator.org.nz | 2026-07-09 | 50d | — |
Issuance History
all 49 certs
2
2017
1
2019
1
2020
2
2021
9
2022
8
2023
6
2024
16
2025
4
2026
No certificates match the current filter.
Also check for
healthnavigator.org.nz