DNS Gurus
Open Cached · just now
95/100 SECURITY SCORE

Certificate Information

Subject
C=GB, ST=London, L=London, O=BRITISH BROADCASTING CORPORATION, CN=www.bbc.com
Issuer
C=BE, O=GlobalSign nv-sa, CN=GlobalSign RSA OV SSL CA 2018
Valid From
June 27, 2025
Valid Until
July 27, 2026 260 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
87:A4:D1:2D:B9:B5:7D:68:64:B5:4D:2E:FD:CC:66:CD:C1:7A:05:17:13:94:8C:F4:0B:EF:42:A0:86:5B:59:CB
Alternative Names
21 domains

Security Configuration

TLS Protocols
TLS 1.0 TLS 1.1 TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)
Warnings
  • • TLS 1.1 is deprecated and should be disabled
  • • TLS 1.0 is deprecated and should be disabled

HTTP Security Headers

Status
Strict-Transport-Security
Present
max-age=31536000; preload
Content-Security-Policy
Good
default-src; script-src; img-src; +14 more
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
browsing-topics=(), join-ad-interest-group=(), run-ad-auction=()
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Strengthen CSP by removing 'unsafe-eval'

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Authorized (Matches CAA policy)
Authorized CAs
digicert.com globalsign.com amazon.com
Wildcard CAs
globalsign.com
Incident Reporting
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement