SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
osuna-ventures.com
SSL/TLS Certificate
SSL/TLS Certificate for osuna-ventures.com
Valid- Issued by (CA)
- ZeroSSL GmbH
- Subject
- osuna-ventures.com
- Valid from
- Nov 11, 2026
- Valid until
- Feb 9, 2027 (89 days remaining)
- Public key
- EC 384-bit
- Serial
- 437666F3909ECB5888DDBCA6EB085F07
- SHA-256 fingerprint
- DB:49:17:E0:F4:D3:7C:0E:4B:F2:3E:82:5D:83:F7:13:52:12:D1:F2:F3:5E:8E:0F:F9:2F:80:EC:04:06:30:C0
- Chain
- ZeroSSL ECC DV SSL CA 2 → Sectigo Public Server Authentication Root E46 → USERTrust ECC Certification Authority
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, 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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