SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

np.com.tw

SSL/TLS Certificate

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SSL/TLS Certificate for np.com.tw

Valid
Issued by (CA)
Let's Encrypt
Subject
np.com.tw
Valid from
Jul 6, 2026
Valid until
Oct 4, 2026 (75 days remaining)
Public key
RSA 2048-bit
Serial
05AE64ACD67A5F9525EB76A2F0119C9F8FA7
SHA-256 fingerprint
3D:46:F1:7F:57:B7:87:01:6F:E9:C5:B2:F6:90:D9:B3:70:1A:93:5D:B5:E4:DE:EA:51:8E:9B:4D:8E:7D:CC:D1
Chain
YR2 → Root YR → ISRG Root X1
Subject Alternative Names (2)
np.com.tw, www.np.com.tw

Certificate Authority Authorization (CAA)

The serving CA (Let's Encrypt) is authorized by this domain's CAA records (comodoca.com, digicert.com, letsencrypt.org, pki.goog, ssl.com).