indexo.dev

kurzgesagt.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 675 ms crawled 2026-05-19

DE · 64.226.65.178 · AS14061 DigitalOcean, LLC

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Home | kurzgesagt
Description
kurzgesagt exists to make science and humanism appealing to as many people as possible.
Language
en

Open Graph

title
kurzgesagt - in a nutshell
site name
kurzgesagt - in a nutshell website
description
kurzgesagt exists to make science and humanism appealing to as many people as possible.

Technology

CDN
Cloudflare
Server
nginx
CMS
Next.js

Third-party hosts loaded (1)

  • ksite.fra1.cdn.digitaloceanspaces.com×1

Social

Registration

Registrar
IONOS SE
Created
2013-07-15
Expires
2026-07-15 55 days left
Updated
2025-08-29
Name servers
  • ns1098.ui-dns.org
  • ns1098.ui-dns.biz
  • ns1098.ui-dns.com
  • ns1098.ui-dns.de

DNS records live

NS
  • ns1098.ui-dns.biz
  • ns1098.ui-dns.com
  • ns1098.ui-dns.de
  • ns1098.ui-dns.org
MX
  • 10 kurzgesagt-org.mail.protection.outlook.com
TXT
  • klaviyo-site-verification=VHpBvX
  • klaviyo-site-verification=Um6cQ6
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:dmarc_report@kurzgesagt.org, mailto:dmarc_agg@vali.email; ruf=mailto:dmarc_report@kurzgesagt.org; fo=1
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCWzeRnHJR38GSdRdokThVFJKOmcqx9F+Xio7uLxQcmpToFQm9hDp9MEYoPBNpHO4xLMOl/1FbRtnTKct2Qqp…
selectors probed

Certificate (current)

E7
from 2026-05-03 to 2026-08-01
Expires in 72 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://kurzgesagt.org/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (12)

Linked from (2)