SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
genome-surgery.net
SSL/TLS Certificate
SSL/TLS Certificate for genome-surgery.net
Hostname mismatch- Issued by (CA)
- Gandi SAS
- Subject
- *.cellectis.com
- Valid from
- Oct 1, 2025
- Valid until
- Nov 1, 2026 (74 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 07AF2409E2E12FB72A86F62AE03DF2F9
- SHA-256 fingerprint
- 58:30:A9:41:8E:B1:5E:49:A8:0F:6B:7C:89:8C:EF:D2:8E:9D:FA:C2:F1:6B:43:1D:2A:A3:E4:60:17:BB:B5:04
- Chain
- GandiCert → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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, 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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