SSL Checker

openbsd.org

TLS 1.3 TLS_AES_256_GCM_SHA384

Leaf Certificate

Subject www.openbsd.org

Issuer YR2

Valid From Jun 26, 2026

Valid Until Sep 24, 2026 (38 days)

Algorithm SHA256-RSA

Subject Alternative Names

ftplist1.openbsd.orglibressl.orgopenbsd.orgopeniked.orgopenssh.comopenssh.orgwww.libressl.orgwww.openbsd.orgwww.openiked.orgwww.openrsync.orgwww.openssh.comwww.openssh.org

Intermediate

Subject YR2

Issuer Root YR

Valid From Sep 3, 2025

Valid Until Sep 2, 2028 (748 days)

Algorithm SHA256-RSA

Intermediate

Subject Root YR

Issuer ISRG Root X1

Valid From May 13, 2026

Valid Until Sep 2, 2032 (2209 days)

Algorithm SHA256-RSA

Findings

✓ TLS 1.3 supported

✓ SSL certificate valid (38 days remaining)

✓ Certificate covers 12 domains (SANs)

Want the full picture?

This is just one of 100+ checks BeaverCheck runs in a full website audit.

Run Full Audit →

Other reports for openbsd.org

Security Headers

CSP, HSTS, X-Frame-Options grade for this site

DNS Lookup

Query A, AAAA, MX, TXT, NS, CNAME, and SOA records with authoritative timing.

Redirect Checker

Trace the full HTTP redirect chain, flag loops, and surface mixed-content downgrades.

Share this result: