burckhardtsource.org

.org crawl

First seen 2026-04-21 · Last seen 2026-04-21 · ok HTTP/1.1 200 1027 ms crawled 2026-05-15

DE · 136.244.81.28 · AS20473 The Constant Company, LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Burckhardt Source
Canonical
https://burckhardtsource.org

Technology

Server
Apache
Fonts
  • Google Fonts
Third-party hosts loaded (8)
  • api.mapbox.com×5
  • cdnjs.cloudflare.com×5
  • fonts.googleapis.com×2
  • ajax.googleapis.com×1
  • d3js.org×1
  • maps.googleapis.com×1
  • rawgit.com×1
  • stackpath.bootstrapcdn.com×1

Registration

Registrar
NameCheap, Inc.
Created
2012-05-15
Expires
2027-05-15 360 days left
Updated
2026-04-20
Name servers
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

DNS records live

NS
  • dns1.registrar-servers.com
  • dns2.registrar-servers.com

Email authentication no MX

SPF
not published
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-03-30 to 2026-06-28
Expires in 39 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://burckhardtsource.org/

findings
  • missing HSTS
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Linked from (1)