~/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 328 more days.
── output ─────
- Issued to
- www.otto.de
- Issued by
- DigiCert Global G2 TLS RSA SHA256 2020 CA1
- Valid from
- 2026-02-12
- Valid until
- 2027-03-15 (328 days)
- TLS version
- TLSv1.3
- Cipher
- TLS_AES_128_GCM_SHA256
- Key
- RSA · 2048 bit
- Signature
- sha256WithRSAEncryption
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- 9D:85:D5:26:E0:21:F4:82:C3:9F:C3:3B:2B:6C:2B:6E:C3:78:75:07:48:90:9E:B6:EE:BE:9D:E2:61:2A:98:28
- Serial
- 096245B0CC09E6B66E863AB66A61E25A
subject_alt_names · 4
www.otto.de
pxc.otto.de
ts.otto.de
otto.de
certificate_chain · 3 certs
[ leaf ]www.otto.de
328 days left
issuer: DigiCert Global G2 TLS RSA SHA256 2020 CA1
2026-02-12 → 2027-03-15
[ inter ]DigiCert Global G2 TLS RSA SHA256 2020 CA1
1803 days left
issuer: DigiCert Global Root G2
2021-03-30 → 2031-03-29
[ root ]DigiCert Global Root G2
4286 days left
issuer: DigiCert Global Root G2
2013-08-01 → 2038-01-15