heterodoxacademy.org

.org crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 711 ms crawled 2026-05-18

US · 99.83.231.61 · AS16509 Amazon.com, Inc.

Reputation 94/100 dmarc monitor-only

Classifying

HTML metadata

Title

Heterodox Academy

Description

We advance the principles of open inquiry, viewpoint diversity, and constructive disagreement to improve higher education and academic research.

Language

Generator

Gatsby 5.16.1

Feeds

Heterodox Academy RSS Feed RSS

Open Graph

url: https://heterodoxacademy.org/home
title: Heterodox Academy
description: We advance the principles of open inquiry, viewpoint diversity, and constructive disagreement to improve higher education and academic research.

Technology

CDN: Netlify
CMS: Gatsby

Fonts

Adobe Fonts

Social widgets

YouTube Embed

Third-party hosts loaded (2)

www.youtube-nocookie.com×2
use.typekit.net×1

Social

Registration

Registrar

Tucows Domains Inc.

Created

2015-08-09

Expires

2026-08-09 80 days left

Updated

2025-08-13

Name servers

annabel.ns.cloudflare.com
rohin.ns.cloudflare.com

DNS records live

NS

annabel.ns.cloudflare.com
rohin.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

MS=ECFF8E17706521A56479DD6C6261F0AA6A3C89A4
pardot914631=96201a39e5e549b2b0b4f78e897c8b3cb79ea8df03b1a88586d5268b650e242f
v=DMARC1; p=none; rua=mailto:admin@heterodoxacademy.org

Verified for

Google

Email authentication partial

SPF

v=spf1 ip4:54.240.0.0/18 include:_spf.google.com include:servers.mcsv.net include:aspmx.pardot.com ~all

softfail (~all)

DMARC

v=DMARC1; p=none; pct=100; rua=mailto:re+ocjfafpg3pm@dmarc.postmarkapp.com; sp=none; aspf=r;

policy: none (monitoring only) · sp=none

DKIM

google: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvWLaNxj+MWDF3wT6dytnNffr6bYqPwgg8hsQv7xsZvgXnaW6C7W7Mq/Ybpkz9nkw7LBDglqlzq5ju2…
s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuY474uFm/VqjTjz5NIavfvPqT1da5WKzT05yH96A+n9MJ71/LNvVs+d6MKI5xi+BT+VR/qBn8l+djictHJ…
s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqPN6Xo3Ygq3ApANmshSYMl2c7Ybe53V7Yvq6J/7TdmDK1m7CBJ3qO37qbCt39QTzsAxdphZUEhT2VNEo4s…

selectors probed

Certificate (current)

from 2026-04-13 to 2026-07-12

Expires in 53 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 95/100 Checked live page: https://heterodoxacademy.org/

present

strict-transport-security
content-security-policy
x-frame-options
x-content-type-options
referrer-policy

findings

missing Permissions Policy

Header values

referrer-policy: strict-origin-when-cross-origin
x-frame-options: SAMEORIGIN
x-content-type-options: nosniff
content-security-policy: frame-ancestors 'self' hxa.stage.cosmicdev.com cms.heterodoxacademy.org
strict-transport-security: max-age=31536000