SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
teca-sardegna.it
SSL/TLS Certificate
SSL/TLS Certificate for teca-sardegna.it
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- teca-sardegna.it
- Valid from
- Sep 30, 2026
- Valid until
- Dec 29, 2026 (50 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 051FDB039D3CA97DB4AF885EFA0E80655372
- SHA-256 fingerprint
- 25:95:3E:5E:D4:3F:6A:2F:F8:E1:13:1E:86:22:56:09:40:1A:F9:B5:73:58:59:60:A4:FF:B1:47:36:09:5E:9A
- 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
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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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