SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
gema-technik.com
SSL/TLS Certificate
SSL/TLS Certificate for gema-technik.com
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- gema-technik.com
- Valid from
- Jun 28, 2026
- Valid until
- Sep 26, 2026 (65 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05D54CC8A1662509A78AB34BCFDBD5A7EE4E
- SHA-256 fingerprint
- 56:14:88:2F:61:78:27:7A:1F:18:E2:1A:A6:1C:A9:A9:88:0D:5D:C4:F3:D4:1F:79:85:CD:22:E7:5D:FD:1E:7A
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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This is today's certificate. Turn on monitoring and we'll watch gema-technik.com 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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