~/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 336 more days.
── output ─────
- Issued to
- www.walmart.com
- Issued by
- GlobalSign ECC OV SSL CA 2018
- Valid from
- 2026-02-20
- Valid until
- 2027-03-24 (336 days)
- TLS version
- TLSv1.3
- Cipher
- TLS_AES_256_GCM_SHA384
- Key
- EC (prime256v1) · 256 bit
- Signature
- ecdsa-with-SHA384
- Forward secrecy
- yes
- Self-signed
- no
- Must-staple
- no
- SHA-256 fingerprint
- E2:5C:A3:25:FC:32:22:86:38:40:23:9F:57:AA:E3:AB:E4:17:D1:C7:37:C0:EA:8C:88:0F:57:4E:2F:D4:E5:B9
- Serial
- 61042BCA6E50380DB0043F1B
subject_alt_names · 7
www.walmart.com
beta.walmart.com
grocery.walmart.com
walmart.pharmacy
walmartspecialty.pharmacy
www.wal-mart.com
walmart.com
certificate_chain · 3 certs
[ leaf ]www.walmart.com
336 days left
issuer: GlobalSign ECC OV SSL CA 2018
2026-02-20 → 2027-03-24
[ inter ]GlobalSign ECC OV SSL CA 2018
944 days left
issuer: GlobalSign
2018-11-21 → 2028-11-21
[ root ]GlobalSign
4290 days left
issuer: GlobalSign
2012-11-13 → 2038-01-19