SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
cl-family.com.tw
SSL/TLS Certificate
SSL/TLS Certificate for cl-family.com.tw
Expiring soon- Issued by (CA)
- Sectigo Limited
- Subject
- www.cl-family.com.tw
- Valid from
- Nov 25, 2025
- Valid until
- Nov 25, 2026 (15 days remaining)
- Public key
- RSA 2048-bit
- Serial
- DE745FE3B169F37C357798CB3B4D309F
- SHA-256 fingerprint
- 3F:EF:0E:1D:70:84:CA:5E:AD:E0:40:EE:C1:C0:B9:2D:E4:F1:89:A8:DE:5E:7A:F7:7E:61:BE:27:3E:08:CC:58
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
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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