Open
Cached
·
just now
90/100
SECURITY SCORE
Certificate Information
Subject
CN=engineering.aau.dk
Issuer
C=US, O=Let's Encrypt, CN=R13
Valid From
November 20, 2025
Valid Until
February 18, 2026
53 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
C8:D0:6F:91:C0:82:3E:C3:62:6E:FB:E5:5D:FD:0E:A9:5D:08:43:E6:E1:36:0C:F4:8E:91:07:29:B3:5C:B7:E2
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
Forward Secrecy
Limited
(Check cipher configuration)
Warnings
- • TLS 1.3 is not supported (recommended)
HTTP Security Headers
Status
Strict-Transport-Security
Present
max-age=15768000; includeSubdomains; preload;
Content-Security-Policy
Good
default-src; frame-ancestors; base-uri; +7 more
default-src 'self' https://*.aau.dk https://*.azurewebsites.net https://*.dropbox.com https://*.dropboxusercontent.com https://podcastpusher.com https://*.doubleclick.net https://*.fonts.net https://*.linkedin.com https://*.facebook.com https://*.snapchat.com https://*.google.com https://*.youtube.com https://*.twitter.com https://*.survey-xact.dk https://*.microsoftonline.com https://*.office.com https://*.gstatic.com https://*.cookieinformation.com https://test-1.aau.dk https://test-2.aau.dk; frame-ancestors 'none'; base-uri 'self'; font-src 'self' data: https://fonts.gstatic.com; script-src 'self' 'unsafe-inline' wifipassword.aau.dk https://stats.g.doubleclick.net https://cxppusa1formui01cdnsa01-endpoint.azureedge.net https://www.googletagmanager.com https://www.youtube-nocookie.com https://*.scratcher.io https://*.elfsightcdn.com https://*.snapchat.com https://*.readpeak.com https://*.sc-static.net https://*.licdn.com https://*.google.com https://*.googleapis.com https://*.elfsight.com https://*.googletagmanager.com https://*.google-analytics.com https://*.facebook.net https://*.twitter.com https://*.cookieinformation.com https://*.youtube.com https://*.vimeo.com; style-src 'self' 'unsafe-inline' https://*.google.com https://*.googleapis.com; img-src 'self' data: image/* https://*.aau.dk https://*.plan2learn.dk https://*.elfsight.com https://*.linkedin.com https://*.licdn.com https://*.googletagmanager.com https://*.google-analytics.com https://*.taboola.com https://*.doubleclick.net https://*.adnxs.com https://*.readpeak.com https://*.google.dk https://*.gstatic.com https://*.dropbox.com https://*.dropboxusercontent.com https://*.google.com https://*.twimg.com https://*.facebook.com https://*.vimeocdn.com https://*.ytimg.com https://*.youtube.com https://*.googleapis.com https://*.elfsightcdn.com; connect-src 'self' https://widget-data.service.elfsight.com https://core.service.elfsight.com https://public-eur.mkt.dynamics.com https://cxppusa1formui01cdnsa01-endpoint.azureedge.net https://assets-eur.mkt.dynamics.com wss://aau-its-caai-shared-haandbog-prod.azurewebsites.net https://prod-aaudxp-vacancy-app.azurewebsites.net wss://aau-its-caai-studieservice-adgangstjek-prod.azurewebsites.net https://*.azurewebsites.net https://*.elfsightcdn.com https://*.aau.dk https://*.licdn.com https://*.linkedin.com https://*.google.com https://*.doubleclick.net https://*.snapchat.com https://*.oribi.io https://*.analytics.google.com https://*.googleapis.com https://*.elfsight.com https://*.google-analytics.com https://*.cookieinformation.com; frame-src 'self' http://mfc-print03.aau.dk https://102nu.mjt.lu https://vimeo.com https://*.vimeo.com https://kuula.co https://madsheiselberg.github.io https://copilotstudio.preview.microsoft.com https://login.windows.net https://aaublanketterdev.powerappsportals.com https://assets-eur.mkt.dynamics.com https://serviceinfo.dk https://www.youtube-nocookie.com https://public-eur.mkt.dynamics.com https://*.geckobooking.dk https://*.powerapps.com https://cobe.dk https://*.powerbi.com https://*.scratcher.io https://*.youtube.com https://*.plandisc.com https://*.moodle.aau.dk https://*.matterport.com https://*.microsoftonline.com https://*.360company.dk https://*.snapchat.com https://*.spotify.com https://*.google.com https://*.vercel.app https://*.libraryh3lp.com https://*.aau.dk https://*.facebook.com https://*.survey-xact.dk https://*.office.com https://*.kuula.co https://*.cookieinformation.com; form-action 'self' https://*.facebook.com;
X-Frame-Options
Good
SAMEORIGIN
X-Content-Type-Options
Good
nosniff
Referrer-Policy
Present
no-referrer, strict-origin-when-cross-origin
Permissions-Policy
Present
geolocation=(),midi=(),sync-xhr=(),microphone=(),camera=(),magnetometer=(),gyroscope=(),fullscreen=(self),payment=()
Recommendations
- • Increase HSTS max-age to at least 1 year and add includeSubDomains
- • Strengthen CSP by removing 'unsafe-eval'
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