SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
u-trust.com.tw
SSL/TLS Certificate
SSL/TLS Certificate for u-trust.com.tw
Valid- Issued by (CA)
- TAIWAN-CA
- Subject
- *.u-trust.com.tw
- Valid from
- Nov 1, 2026
- Valid until
- Apr 23, 2027 (160 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 47EA00000009BEC1569AE04BF50AF9EB
- SHA-256 fingerprint
- 24:80:91:F6:B8:62:AD:5E:B3:BF:EE:CB:76:C2:ED:17:6B:2E:A3:F7:7D:55:B3:4F:62:18:6B:EA:1A:97:87:C0
- Chain
- TWCA SSL Certification Authority → TWCA CYBER Root CA G3 → TWCA CYBER Root CA → TWCA Global Root CA
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 Jul 27, 2026.
Never get surprised by u-trust.com.tw's certificate expiring
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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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