SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
tualatinoregon.gov
SSL/TLS Certificate
SSL/TLS Certificate for tualatinoregon.gov
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- tualatinoregon.gov
- Valid from
- Aug 14, 2026
- Valid until
- Nov 12, 2026 (86 days remaining)
- Public key
- RSA 4096-bit
- Serial
- 064D6D60917A85D65495C33C8E12D176E3E0
- SHA-256 fingerprint
- A9:8D:43:FE:AB:81:A7:4E:E4:0B:8C:29:0F:3D:D4:78:EE:42:23:C5:17:3D:92:46:6E:14:F8:E4:D1:C2:21:B7
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
The serving CA (Let's Encrypt) is authorized by this domain's CAA records (digicert.com, letsencrypt.org).
This certificate has been served since Aug 5, 2026.
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Uptime
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DNS changes
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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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