Open
Cached
·
just now
85/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
C=US, ST=WA, L=Redmond, O=Microsoft Corporation, CN=*.dev.oasis.microsoft.com
Issuer
C=US, O=Microsoft Corporation, CN=Microsoft TLS G2 RSA CA OCSP 02
Valid From
February 13, 2026
Valid Until
August 12, 2026
122 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA384-RSA
SHA-256 Fingerprint
29:7B:B5:7A:05:D7:A3:F5:35:41:ED:C7:6D:DB:52:CA:B9:8A:9B:31:04:43:B0:27:FE:C4:A6:D1:20:BC:95:B5
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Good
max-age=31536000; includeSubDomains
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Add Content-Security-Policy header to prevent XSS attacks
- • 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
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports