Open
Cached
·
just now
95/100
SECURITY SCORE
Certificate Information
Subject
CN=www.shortwave.com
Issuer
C=US, O=Let's Encrypt, CN=R12
Valid From
November 11, 2025
Valid Until
February 09, 2026
39 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
7C:F2:66:BA:5A:3F:B5:0B:7E:15:C0:59:FA:AE:F4:38:90:8F:68:05:BD:FF:C7:88:BF:E4:A0:3F:D7:27:D2:9D
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=63072000; includeSubDomains; preload
Content-Security-Policy
Basic
default-src; script-src; style-src; +4 more
default-src 'self'; script-src 'self' 'unsafe-eval' https://www.googletagmanager.com https://www.google-analytics.com https://static.ads-twitter.com/uwt.js https://analytics.google.com/ https://stats.g.doubleclick.net/ https://connect.facebook.net; style-src 'self' 'unsafe-inline'; frame-src *; connect-src 'self' https://www.googletagmanager.com https://www.google-analytics.com https://static.ads-twitter.com/uwt.js https://analytics.google.com/ https://stats.g.doubleclick.net/ https://connect.facebook.net/; media-src *; img-src * data:
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
origin-when-cross-origin
Permissions-Policy
Missing
Not configured
Recommendations
- • 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
Authorized
(Matches CAA policy)
Authorized CAs
Recommendations
- • Consider using critical flag (flags=128) for stricter CAA enforcement
- • Consider adding 'iodef' records to receive notifications about unauthorized certificate issuance attempts
- • Consider adding 'issuewild' records to control wildcard certificate issuance