SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
vallirana.cat
SSL/TLS Certificate
SSL/TLS Certificate for vallirana.cat
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- vallirana.cat
- Valid from
- Oct 29, 2025
- Valid until
- Nov 10, 2026 (103 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 906808B71166C7D2A87E6DDBD6B06219
- SHA-256 fingerprint
- 97:DC:35:7F:E3:71:42:75:DF:27:57:E1:F7:3D:83:35:7F:0D:34:A0:AA:AA:B3:F5:42:B1:E5:66:B7:2D:91:C0
- Chain
- Sectigo Public Server Authentication CA OV R36 → Sectigo Public Server Authentication Root R46 → USERTrust RSA Certification Authority → USERTrust RSA Certification Authority → AAA Certificate Services
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, 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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