Open
Cached
·
just now
89/100
SECURITY SCORE
Certificate Information
Subject
CN=www.musica-linguae.ru
Issuer
C=US, O=Google Trust Services, CN=WR3
Valid From
December 24, 2025
Valid Until
March 24, 2026
88 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
E9:0C:71:40:C0:CD:2D:A7:E5:D9:E1:32:72:A6:10:8C:CA:D5:02:40:B2:4B:43:69:27:3A:75:36:66:C9:E8:1A
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
Good
max-age=31536000; includeSubDomains
Content-Security-Policy
Basic
font-src; img-src; frame-src; +7 more
font-src 'self' https://fonts.gstatic.com/; img-src 'self' https://images.ctfassets.net/ https://downloads.ctfassets.net/ https://www.google.com/ https://www.google.de/ https://www.google.es/ https://googleads.g.doubleclick.net/ https://maps.googleapis.com/ https://maps.gstatic.com/ https://cdn.cookielaw.org/ https://www.google-analytics.com/ https://bat.bing.com/ https://www.facebook.com/ https://i.ytimg.com/ *.kununu.com/ *.linkedin.com/ *.lfeeder.com *.leadfeeder.com data:; frame-src 'self' https://www.youtube-nocookie.com/ https://my.matterport.com/ https://www.facebook.com/ https://*.typeform.com/ https://heyflow.id/ https://*.areabutler.de/ https://*.ogulo.com/ https://*.maklaro.com/ https://td.doubleclick.net/ https://boards.eu.greenhouse.io https://open.spotify.com/ https://tour.giraffe360.com/ https://tour.ogulo.com/ https://www.recaptcha.net/ https://recaptcha.google.com/; frame-ancestors 'self' https://app.contentful.com; manifest-src 'self' https://*.evernest.com/; media-src 'self' https://videos.ctfassets.net/; object-src 'none'; script-src 'self' https://*.evernest.com https://maps.googleapis.com/ https://www.googletagmanager.com/ https://www.google-analytics.com/ https://www.googleadservices.com/ https://www.gstatic.com/recaptcha/ https://www.recaptcha.net/ https://googleads.g.doubleclick.net/ https://connect.facebook.net/ https://bat.bing.com/ https://cdn.cookielaw.org/ https://diffuser-cdn.app-us1.com/ https://prism.app-us1.com/ https://trackcmp.net/ https://snap.licdn.com/ https://static.klaviyo.com/ https://static-tracking.klaviyo.com/ https://boards.eu.greenhouse.io https://analytics.tiktok.com/ *.lfeeder.com *.leadfeeder.com 'unsafe-inline' 'unsafe-eval'; style-src 'self' https://fonts.googleapis.com 'unsafe-inline'; worker-src 'self' blob:
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Good
no-referrer-when-downgrade
Permissions-Policy
Present
accelerometer=(), ambient-light-sensor=(), battery=(), camera=(), display-capture=(), gamepad=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=(), payment=(), publickey-credentials-get=(), sync-xhr=(), usb=(), screen-wake-lock=()
Recommendations
- • Consider adding 'preload' to HSTS for maximum security
- • Improve CSP by adding more specific directives and removing 'unsafe-inline'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
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
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Other domains in certificate