SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
i-tec.info
SSL/TLS Certificate
SSL/TLS Certificate for i-tec.info
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- i-tec.ch
- Valid from
- Sep 8, 2026
- Valid until
- Dec 7, 2026 (69 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05DFE59228E770506D1C27FBBC6CD8DB5DAF
- SHA-256 fingerprint
- 30:A3:2B:F4:37:7A:87:C8:B1:04:60:07:BE:2E:0A:7E:6B:E2:1C:1E:FA:D5:C8:72:65:2F:BC:27:28:1A:94:C2
- 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.
This certificate has been served since Sep 27, 2026.
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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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