DNS Gurus
Cached · just now
89/100 SECURITY SCORE

Certificate Information

Subject
C=US, ST=Oregon, O=Oregon State University, CN=oregonstate.edu
Issuer
C=US, O=Internet2, CN=InCommon RSA Server CA 2
Valid From
February 25, 2026
Valid Until
March 28, 2027 236 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
1E:59:DA:2B:D4:AB:A8:D2:F0:56:1F:7E:0D:0F:7D:4E:4F:34:28:75:87:58:58:A5:4D:55:C5:7B:C9:48:AC:11
Alternative Names
19 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=10368000
Content-Security-Policy
Basic
default-src; report-uri; upgrade-insecure-requests Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Improve CSP by adding more specific directives and removing 'unsafe-inline'
  • • 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
amazon.com sectigo.com emsign.com letsencrypt.org
Wildcard CAs
emsign.com sectigo.com
Incident Reporting
CAA Issues
  • • CRITICAL: Current certificate issuer 'C=US, O=Internet2, CN=InCommon RSA Server CA 2' is NOT authorized by CAA records. Authorized CAs: amazon.com, sectigo.com, emsign.com, letsencrypt.org
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