DNS Gurus
Cached · just now
84/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
AWS Certificate Manager logo AWS Certificate Manager

Certificate Information

Subject
CN=*.atlassian.net
Issuer
C=US, O=Amazon, CN=Amazon RSA 2048 M04
Valid From
April 01, 2026
Valid Until
October 15, 2026 179 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
AB:ED:2B:0B:C3:D2:35:EB:CB:62:06:C8:18:8F:B3:1F:C1:A8:4E:8E:C4:0C:7D:CA:3B:AA:BC:42:3D:59:F1:48
Alternative Names
48 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
Present
max-age=63072000; preload
Content-Security-Policy
Weak
frame-ancestors Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Excellent
deny
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Significantly strengthen CSP directives
  • • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
  • • Consider adding Permissions-Policy to control browser features

CAA Records (Certificate Authority Authorization)

CAA Records
Configured (Restricts certificate issuance)
Current Issuer
Not Authorized (Potential misconfiguration)
Authorized CAs
globalsign.com letsencrypt.org
CAA Issues
  • • CRITICAL: Current certificate issuer 'C=US, O=Amazon, CN=Amazon RSA 2048 M04' is NOT authorized by CAA records. Authorized CAs: globalsign.com, letsencrypt.org
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
  • • Consider adding 'issuewild' records to control wildcard certificate issuance