~/tools / ssl-checker

SSL Checker

Check SSL certificate expiry, chain validity, TLS version and cipher. Catches expired certs, weak crypto and chain issues.

[ OK ] Valid for 162 more days.

── output ─────

Issued to: sky.com
Issued by: Sectigo Public Server Authentication CA OV R36
Valid from: 2026-03-16
Valid until: 2026-09-30 (162 days)
TLS version: TLSv1.3
Cipher: TLS_AES_256_GCM_SHA384
Key: RSA · 2048 bit
Signature: sha256WithRSAEncryption
Forward secrecy: yes
Self-signed: no
Must-staple: no
SHA-256 fingerprint: EE:E0:23:D3:FF:D4:D5:9E:6F:68:F3:1A:A0:E4:C3:DA:F0:6D:EB:D3:44:46:8F:DD:8F:29:34:2B:97:F6:ED:DD
Serial: 7A58FB54B3E1EA48B36A1C86D7998405

subject_alt_names · 1

sky.com

certificate_chain · 2 certs

[ leaf ]sky.com

162 days left

issuer: Sectigo Public Server Authentication CA OV R36

2026-03-16 → 2026-09-30

[ inter ]Sectigo Public Server Authentication CA OV R36

3622 days left

issuer: Sectigo Public Server Authentication Root R46

2021-03-22 → 2036-03-21

// Save sky.com → we'll run this daily and alert on changes. /signup →