Open
Cached
·
just now
90/100
SECURITY SCORE
Detected Technologies
Certificate Information
Subject
CN=dev.brainbump.com
Issuer
C=US, O=Let's Encrypt, CN=E8
Valid From
April 30, 2026
Valid Until
July 29, 2026
77 days
Public Key
ECDSA
256 bit
(P-256)
Adequate
Signature Algorithm
ECDSA-SHA384
SHA-256 Fingerprint
17:2D:03:D2:A6:68:9A:9B:8F:F3:3E:9C:7A:12:02:9E:82:A8:94:84:AF:76:45:CB:D5:A0:2E:CE:BE:06:EB:7F
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
Excellent
max-age=31536000; includeSubDomains; preload
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), microphone=(self), geolocation=()
Recommendations
- • Add Content-Security-Policy header to prevent XSS attacks
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