URL Inspection: https://classroom.grsc.cz

CDN	Cloudflare CDNJS https://cdnjs.cloudflare.com	3.2.0
Evidence: • HTML <script>: https://cdnjs.cloudflare.com/ajax/libs/async/3.2.0/async.min.js • HTML <script>: https://cdnjs.cloudflare.com/ajax/libs/js-sha1/0.6.0/sha1.min.js

CDN	Fastly https://www.fastly.com
Evidence: • IP 151.101.1.195 → ASN 54113

CDN	jsDelivr https://www.jsdelivr.com
Evidence: • HTML <script>: https://cdn.jsdelivr.net/npm/js-cookie@rc/dist/js.cookie.min.js

Security	Keybase https://keybase.io
Evidence: • DNS Record TXT: keybase-site-verification=Fol70nZJBQJNsOx_Jt_UZsqmkwcKqjm4PbEWDdERdPs

Certificate Authority	Google Trust https://pki.goog
Evidence: • SSL Certificate Issuer: C=US, O=Google Trust Services, CN=WR3

Cloud	Firebase https://firebase.google.com
Evidence: • HTML <script>: https://www.gstatic.com/firebasejs/8.0.2/firebase-app.js • HTML <script>: https://www.gstatic.com/firebasejs/8.0.2/firebase-auth.js

Cloud	Google Console https://search.google.com/search-console
Evidence: • DNS Record TXT: google-site-verification=31JKY1yzQ8SlnVnxfiZTtOi40bzvvCfcZpSoC6SuGNk