SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
SSL/TLS Certificate for g-i-m.ch
Self-signed- Issued by (CA)
- default
- Subject
- default
- Valid from
- Aug 21, 2026
- Valid until
- Aug 18, 2036 (3569 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 053281FF7F26A1817F397A83C4D68A2461E78FC2
- SHA-256 fingerprint
- 97:D2:F5:02:1F:68:5C:85:26:57:35:72:72:7C:7B:BE:D0:55:B6:F9:C7:CD:1B:72:C9:7C:47:5E:1C:96:5E:23
- Chain
- default
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 Sep 18, 2026.
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Uptime
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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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