SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
logeo-seine.fr
SSL/TLS Certificate
SSL/TLS Certificate for logeo-seine.fr
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- logeo-seine.fr
- Valid from
- Jun 23, 2026
- Valid until
- Sep 21, 2026 (51 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 05EA6CC10C9591BCF7099C1E573864D484AB
- SHA-256 fingerprint
- AB:7E:E7:B4:97:4C:1E:C1:DF:40:F7:CB:38:E7:76:8F:BF:E5:D0:0D:60:20:95:55:C2:9F:C1:77:BE:BB:24:0B
- Chain
- YR1 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by logeo-seine.fr's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch logeo-seine.fr continuously, notifying you the moment anything moves across all three signals:
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, DNSSEC, CNAME 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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