DNS Gurus
Cached · just now
98/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 7
Let's Encrypt logo Let's Encrypt Cloudflare CDNJS logo Cloudflare CDNJS Google Analytics logo Google Analytics Google Tag Manager logo Google Tag Manager HubSpot logo HubSpot HubSpot Analytics logo HubSpot Analytics HubSpot Forms logo HubSpot Forms

Certificate Information

Subject
CN=*.courrielleur.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
February 02, 2026
Valid Until
May 03, 2026 31 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
36:F3:55:51:D3:6E:17:14:64:4B:DB:9D:D4:30:13:53:31:8B:B2:EF:A1:77:BE:51:02:F0:37:FF:E0:14:2D:C1
Alternative Names
2 domains

Security Configuration

TLS Protocols
TLS 1.2 TLS 1.3
Forward Secrecy
Supported (Modern clients use PFS)

HTTP Security Headers

Status
Strict-Transport-Security
Excellent
max-age=63072000; includeSubDomains; preload
Content-Security-Policy
Google Analytics logo
Good
default-src; script-src; style-src; +8 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), microphone=(), geolocation=(); +1 more
Recommendations
  • • 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
globalsign.com letsencrypt.org amazon.com pki.goog
Wildcard CAs
globalsign.com letsencrypt.org amazon.com
Incident Reporting
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • You have authorized 4 CAs - consider limiting to only the CAs you actively use

Subject Alternative Names

2 domains
courrielleur.com *.courrielleur.com