DNS Gurus
Cached · just now
75/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=WA, L=Redmond, O=Microsoft Corporation, CN=cloud.microsoft
Issuer
C=US, O=Microsoft Corporation, CN=Microsoft TLS G2 RSA CA OCSP 10
Valid From
July 14, 2026
Valid Until
October 22, 2026 86 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
BA:A3:1D:AE:17:55:EC:53:55:1C:C1:74:9A:7B:B6:83:A8:EB:25:62:8A:49:2D:8A:8E:14:0C:CA:41:DB:57:0D
Alternative Names
3 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
Missing
Not configured
Content-Security-Policy
Missing
Not configured Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
  • • Add Strict-Transport-Security header with max-age of at least 1 year
  • • Add Content-Security-Policy header to prevent XSS attacks
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • Add X-Content-Type-Options: nosniff
  • • 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
microsoft.com digicert.com
Incident Reporting
CAA Issues
  • • CRITICAL: Current certificate issuer 'C=US, O=Microsoft Corporation, CN=Microsoft TLS G2 RSA CA OCSP 10' is NOT authorized by CAA records. Authorized CAs: microsoft.com, digicert.com
Recommendations
  • • Consider using critical flag (flags=128) for stricter CAA enforcement
  • • Consider adding 'issuewild' records to control wildcard certificate issuance