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First seen 2026-04-12 · Last seen 2026-05-13 · ok HTTP/1.1 200 3920 ms crawled 2026-05-05

US · 192.30.252.154 · AS36459 GitHub, Inc.

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
Prototype JavaScript framework: a foundation for ambitious web applications

Technology

CDN
GitHub Pages
Server
GitHub.com

Registration

Registrar
Key-Systems GmbH
Created
2006-01-13
Expires
2027-01-13 239 days left
Updated
2025-11-25
Name servers
  • ns1.dnsimple.com
  • ns3.dnsimple.com
  • ns4.dnsimple-edge.org
  • ns2.dnsimple-edge.net

DNS records live

NS
  • ns1.dnsimple.com
  • ns2.dnsimple-edge.net
  • ns3.dnsimple.com
  • ns4.dnsimple-edge.org

Certificate (current) wrong cert

Sectigo Public Server Authentication CA DV R36
from 2026-04-14 to 2026-07-13
Expires in 55 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://prototypejs.org/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (4)