SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
action-sanitaire.org
SSL/TLS Certificate
SSL/TLS Certificate for action-sanitaire.org
Valid- Issued by (CA)
- Google Trust Services
- Subject
- action-sanitaire.org
- Valid from
- Oct 6, 2026
- Valid until
- Jan 4, 2027 (75 days remaining)
- Public key
- EC 256-bit
- Serial
- D97626861C8835AF1339BA2158B5AD1F
- SHA-256 fingerprint
- 13:20:6C:EC:E2:C5:31:12:55:D7:3C:3C:FE:D2:AD:E6:30:E4:32:D1:9B:76:1D:26:75:99:E6:B3:B0:8F:96:5D
- Chain
- WE1 → GTS Root R4
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Oct 7, 2026.
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Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
DNS changes
We watch NS, MX, CAA, CNAME, TXT and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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