CertH certH

cnb.cool SSL Score & TLS Health Report

Issuer
DigiCert Secure Site OV G2 TLS CN RSA4096 SHA256 2022 CA1
Max TLS
TLS1.3
TLS versions
TLS 1.3 TLS 1.2 TLS 1.1 TLS 1.0
Cipher
ECDHE-RSA-AES128-GCM-SHA256
Expires
3/17/2027 ( 131 d)
HSTS
✓ Enabled
OCSP Stapling
Disabled
Last scanned
11/4/2026, 11:46:12 AM

Report summary

cnb.cool currently holds an SSL grade of A+ (100/100) from CertH TLS health monitoring. The site supports TLS1.3, TLS1.2, has HSTS enabled, and its certificate is issued by DigiCert Secure Site OV G2 TLS CN RSA4096 SHA256 2022 CA1 — 131 days left on the certificate. CertH records daily TLS handshake probes into an auditable certificate health trend.

Excellent — A near-perfect setup: TLS 1.3, strong ciphers, full forward secrecy (PFS) and correctly enabled HSTS. First choice for finance, payments and other high-stakes businesses.

cnb.cool scores higher than 99% of the 12,269 sites we grade.

Percentile is computed over the 12,269 sites CertH has indexed (including ungraded ones), not an industry census.

Last scanned 2 days ago — this data may be stale

Full certificate & config details

Common Name
*.cnb.cool
Key
rsaencryption 2048bit
Sig Hash
SHA-256
Chain
Complete
SAN
*.cnb.cool · cnb.cool
Fingerprint
eba6fa8d2917a8c29f922af26c5bf9267dff2370133ceb21a489762fda16ff51
Explain variables
CAA
None (any CA may issue)
CT SCT
3
Must-Staple
✗
HSTS preloadable
✗
Risk flags
No notable risks

What’s working

  • TLS 1.3 enabled
  • HSTS enabled with a long max-age
  • Complete certificate chain
  • No legacy TLS or weak ciphers

Score trend

02550751009/10/2026, 1:44:11 PM · 95 (A)11/4/2026, 11:46:12 AM · 100 (A+)

Recent history

TimeGrade ScoreIssuer
11/4/2026, 11:46:12 AMA+100DigiCert Secure Site OV G2 TLS CN RSA4096 SHA256 2022 CA1
9/10/2026, 1:44:11 PMA95DigiCert Secure Site OV G2 TLS CN RSA4096 SHA256 2022 CA1

Score change insights · Last 90 days

Net change ↑ +5
  • ↑
    11/4/2026 +5 A → A+
    TLS version support improved
    Also observedCAA: — → —

FAQ

When does cnb.cool’s certificate expire?

cnb.cool’s certificate expires on 3/17/2027, in 131 days, issued by DigiCert Secure Site OV G2 TLS CN RSA4096 SHA256 2022 CA1.

Is cnb.cool’s TLS configuration secure?

cnb.cool currently scores A+ (100/100). It negotiates TLS1.3, TLS1.2 and has HSTS enabled.

Why did cnb.cool’s score change?

11/4/2026: +5 points — TLS version support improved