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
nationalmap.gov.au
Certificate Transparency • 72 certs found
B
Good
72
Total
5
Active
67
Expired
3
Hosts
16
Wildcards
12
Issuers
⚠ 2 certs expiring within 30 days
93% of certificates are expired
16 wildcard certs — covers all subdomains
Last issued 2026-09-18
Subdomain wildcard timed out — showing root domain only
Certificate Authorities
12 unique
R12
14 (19.4%)
Amazon
13 (18.1%)
R3
12 (16.7%)
R13
8 (11.1%)
R11
6 (8.3%)
YR1
4 (5.6%)
R10
4 (5.6%)
YR2
3 (4.2%)
Key Algorithms
avg 0.5yr lifespan
Other
72 (100%)
Cert lifespan distribution
≤1yr
55
1–2yr
17
Discovered Hostnames
3 unique
nationalmap.gov.au
tls.nationalmap.gov.au
www.nationalmap.gov.au
Active Certificate Expiry Risk
5 active
0
≤ 7 days
Critical
0
8–14 days
Warning
2
15–30 days
Caution
40% of active
3
31–90 days
Monitor
60% of active
Expiring Soon
5 within 90 days
| Common Name | Expires | Days Left | Issuer (CA) | Key |
|---|---|---|---|---|
| www.nationalmap.gov.au | 2026-10-16 | 19d | - | |
| nationalmap.gov.au | 2026-10-16 | 19d | - | |
| www.nationalmap.gov.au | 2026-11-16 | 50d | - | |
| nationalmap.gov.au | 2026-11-16 | 50d | - | |
| www.nationalmap.gov.au | 2026-12-17 | 81d | - |
Issuance History
all 72 certs
1
2015
1
2016
2
2017
2
2018
4
2019
2
2020
2
2021
5
2022
10
2023
5
2024
19
2025
19
2026
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Also check for
nationalmap.gov.au