SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
turva-aidat.fi
SSL/TLS Certificate
SSL/TLS Certificate for turva-aidat.fi
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- juuankyllastamo.fi
- Valid from
- Jul 6, 2026
- Valid until
- Oct 4, 2026 (70 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05B0E8F4094E7D42B40BC4817CB089133FC8
- SHA-256 fingerprint
- CD:EE:A1:5F:25:DB:E0:4F:CE:70:DF:C1:1B:C9:AA:74:87:76:9B:3E:EF:F6:54:A9:D1:43:3E:1E:D3:27:E5:C3
- 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.
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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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