SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
sib-spa.it
SSL/TLS Certificate
SSL/TLS Certificate for sib-spa.it
Self-signed- Issued by (CA)
- TEST MDS
- Subject
- 00000-default.tld
- Valid from
- Nov 30, 2020
- Valid until
- Nov 28, 2030 (1501 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 6F03CE381710F37EE07DC1E7AA5006F9D8161A3D
- SHA-256 fingerprint
- 73:C0:7A:F2:60:4A:27:21:A3:8C:9E:BC:40:DA:20:59:F8:61:E6:08:69:7C:84:D7:68:FD:72:43:D4:B4:7B:48
- Chain
- 00000-default.tld
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 Aug 3, 2026.
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This is today's certificate. Turn on monitoring and we'll watch sib-spa.it continuously, notifying you the moment anything moves across all three signals:
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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