indexo.dev

ed100.org

.org crawl

First seen 2026-04-19 · Last seen 2026-05-10 · ok HTTP/1.1 200 2463 ms crawled 2026-05-13

US · 104.21.28.214 · AS13335 Cloudflare, Inc.

Reputation 94/100 dmarc monitor-only

sector education type homepage

HTML metadata

Title
How the education system works | ED100
Description
You want to help make schools better. But it's complicated, right? And changing fast. Ed100.org helps you get the facts and understand the issues, so you can make a difference. The lessons are short, free, and clearly written.
Language
en_US
Translations
  • en
  • es

Open Graph

url
https://ed100.org
title
How the education system works | ED100
description
You want to help make schools better. But it's complicated, right? And changing fast. Ed100.org helps you get the facts and understand the issues, so you can make a difference. The lessons are short, free, and clearly written.

Technology

CDN
Cloudflare
Social widgets
  • Twitter Widget
  • Vimeo Embed
  • YouTube Embed

Third-party hosts loaded (5)

  • unpkg.com×2
  • cloud.typography.com×1
  • platform.twitter.com×1
  • player.vimeo.com×1
  • www.youtube.com×1

Social

Contact

Phone

Registration

Registrar
Bluehost Inc.
Created
2011-02-01
Expires
2029-02-01 988 days left
Updated
2024-03-17
Name servers
  • rajeev.ns.cloudflare.com
  • virginia.ns.cloudflare.com

DNS records live

NS
  • rajeev.ns.cloudflare.com
  • virginia.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=RAHuk1lLIkp_JgyYBoCoGCF7ZrbPKNhmZlf7tZ_JCOQ
  • facebook-domain-verification=1m2nwvgorovplwqlfp4a95gm6cu5rm
  • google-site-verification=DjAYOPUg2g_5Kz2K78KAsaM1b7Cn8U9_V4OenlbkN88

Email authentication weak

SPF
not published
DMARC
v=DMARC1;p=none;
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2rl+Zj7eqifg3OT8EDNUR5g7gsxJKlfsA+QcQ2rC3FGuMTu43+jlhohyQAyy9zNZq7TrlwLLEzHLZSKeVm…
  • s2: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbVXVkA51HRMVrbawW8Kq7Q6w7z5Bsep0VyxN3TAwutN1BjKTC+WUt8y+B7zrxhSuhL4pfW4AN0hR+m2KJ+XDloF…
selectors probed

Certificate (current)

WE1
from 2026-03-29 to 2026-06-27
Expires in 38 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 50/100 Checked live page: https://ed100.org/

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

Links to (4)

Linked from (1)