Open
Cached
·
just now
91/100
SECURITY SCORE
Certificate Information
Subject
CN=*.netcup.com
Issuer
C=US, O=DigiCert Inc, OU=www.digicert.com, CN=RapidSSL TLS RSA CA G1
Valid From
November 18, 2025
Valid Until
November 17, 2026
293 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
37:22:FE:79:2B:23:8E:79:D5:A8:0A:0C:51:34:47:98:02:5B:40:37:DC:02:A8:A5:0A:ED:E6:35:E8:15:EF:02
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
Present
max-age=31536000
Content-Security-Policy
Basic
base-uri; font-src; form-action; +12 more
base-uri 'none'; font-src 'self' https: data:; form-action https://green.netcup.com https://red.netcup.com https://blue.netcup.com https://www.netcup.com https://www.facebook.com; frame-ancestors 'self'; img-src https://green.netcup.com https://red.netcup.com https://blue.netcup.com https://www.netcup.com https://ads-twitter.com https://ads-api.twitter.com https://analytics.twitter.com https://mautic.netcup.news https://px.ads.linkedin.com 'self' blob: data: https:; object-src 'none'; script-src-attr 'none'; style-src 'self' https: 'unsafe-inline'; script-src https://green.netcup.com https://red.netcup.com https://blue.netcup.com https://www.netcup.com https://cdn.cookielaw.org https://cookie-cdn.cookiepro.com https://*.onetrust.com https://measure.netcup.com https://www.googleadservices.com https://pagead2.googlesyndication.com https://widget.trustpilot.com https://cdn.brevo.com/js/sdk-loader.js 'self' 'wasm-unsafe-eval' 'nonce-fHvEPk5hxOQr7yYh4YJH1Rom'; upgrade-insecure-requests; connect-src https://green.netcup.com https://red.netcup.com https://blue.netcup.com https://www.netcup.com https://ads-twitter.com https://ads-api.twitter.com https://analytics.twitter.com https://cdn.cookielaw.org https://cookie-cdn.cookiepro.com https://*.onetrust.com https://www.google.com https://in-automate.brevo.com https://measure.netcup.com https://google.com https://px.ads.linkedin.com https://*.clarity.ms/ 'self' https://*.analytics.google.com https://*.google-analytics.com https://stats.g.doubleclick.net https://eu-api.friendlycaptcha.eu https://googleads.g.doubleclick.net https://www.googleadservices.com https://cdn.cookielaw.org https://adservice.google.com https://pagead2.googlesyndication.com https://www.redditstatic.com https://pixel-config.reddit.com https://analytics.tiktok.com https://ads.tiktok.com https://bat.bing.com https://widget.trustpilot.com; worker-src blob:; child-src blob: https://td.doubleclick.net; script-src-elem https://green.netcup.com https://red.netcup.com https://blue.netcup.com https://www.netcup.com https://cdn.brevo.com/js/sdk-loader.js https://sibautomation.com/sa.js https://sibforms.com/ https://www.googleadservices.com https://www.redditstatic.com 'self' 'unsafe-inline' https://*.googletagmanager.com https://static.ads-twitter.com https://snap.licdn.com https://bat.bing.com https://connect.facebook.net https://*.clarity.ms https://googleads.g.doubleclick.net https://cdn.cookielaw.org https://analytics.tiktok.com https://ads.tiktok.com https://measure.netcup.com https://www.youtube.com https://pagead2.googlesyndication.com https://widget.trustpilot.com; frame-src https://td.doubleclick.net https://www.facebook.com https://www.googletagmanager.com https://measure.netcup.com https://www.youtube-nocookie.com/ https://widget.trustpilot.com https://green.netcup.com https://red.netcup.com https://blue.netcup.com https://www.netcup.com;
X-Frame-Options
Excellent
DENY
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
strict-origin-when-cross-origin
Permissions-Policy
Present
camera=(), display-capture=(), fullscreen=(), geolocation=(), microphone=()
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
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