DNS Gurus
Cached · just now
89/100 SECURITY SCORE

Detected Technologies

See all in URL Inspect 1
Google Trust logo Google Trust

Certificate Information

Subject
CN=gumbo.cc
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
September 09, 2026
Valid Until
December 08, 2026 86 days
Public Key
RSA 2048 bit Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
7D:24:CF:C8:15:A1:31:CA:15:2A:01:81:84:B0:0F:D2:25:C3:07:33:13:EF:30:3D:3B:28:73:BB:87:24:E3:C7
Alternative Names
25 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=31556926
Content-Security-Policy
Strong
default-src; script-src; style-src; +8 more Analyze
Content-Security-Policy-Report-Only
Missing
Not configured Analyze
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer
Permissions-Policy
Missing
Not configured
Recommendations
  • • Increase HSTS max-age to at least 1 year and add includeSubDomains
  • • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
  • • 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