academicearth.org

.org crawl

First seen 2026-04-13 · Last seen 2026-05-12 · ok HTTP/1.1 200 376 ms crawled 2026-05-06

US · 141.193.213.20 · AS209242 Cloudflare London, LLC

Reputation 95/100 weak security headers

sector education type homepage

HTML metadata

Title
AcademicEarth.org - Free Online Courses From Top Colleges
Description
Find free online courses, lectures, and videos from the best colleges in the country. Take online classes from schools like Yale, MIT and Stanford.
Language
en
Feeds

Open Graph

url
https://academicearth.org/
title
AcademicEarth.org - Free Online Courses From Top Colleges
locale
en_US
site name
Academic Earth
description
Find free online courses, lectures, and videos from the best colleges in the country. Take online classes from schools like Yale, MIT and Stanford.

Technology

CDN
Cloudflare
CMS
WordPress
Analytics
  • Google Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Third-party hosts loaded (8)
  • sonic-ui.highereducation.com×6
  • content.cmn.com×3
  • www.googletagmanager.com×2
  • api.mobius.highereducation.com×1
  • fonts.googleapis.com×1
  • js-agent.newrelic.com×1
  • video-player.redvideo.redventures.io×1
  • www.google-analytics.com×1

Social

Registration

Registrar
GoDaddy Corporate Domains, LLC
Created
2008-03-04
Expires
2027-03-04 287 days left
Updated
2026-02-06
Name servers
  • ns-1169.awsdns-18.org
  • ns-182.awsdns-22.com
  • ns-1874.awsdns-42.co.uk
  • ns-568.awsdns-07.net

DNS records live

NS
  • ns-1169.awsdns-18.org
  • ns-182.awsdns-22.com
  • ns-1874.awsdns-42.co.uk
  • ns-568.awsdns-07.net
MX
  • 0 academicearth-org.mail.protection.outlook.com
Verified for
  • Google
  • Microsoft 365

Email authentication strong

SPF
v=spf1 include:spf.protection.outlook.com -all
strict (-all)
DMARC
v=DMARC1; p=reject; rua=mailto:qozv9ll0@ag.us.dmarcian.com; ruf=mailto:qozv9ll0@fr.us.dmarcian.com; fo=1
policy: reject (enforced)
DKIM
  • selector1: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2eGGdLkT72ICbOwErc3dn7b0BrwUGWNSKaT6KXOf8E6WZH1uQZrUeZXZJjmsBN0s5EBsOX3KJxqTZf…
selectors probed

Certificate (current)

WE1
from 2026-03-23 to 2026-06-21
Expires in 31 days

HTTP security headers

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

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

Links to (4)

Linked from (2)