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teachingmachin.es

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First seen 2026-04-20 · Last seen 2026-05-10 · ok HTTP/1.1 200 802 ms crawled 2026-05-13

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Teaching Machines: The History of Personalized Learning
Description
Audrey Watters, (MIT Press 2021)
Canonical
http://teachingmachin.es/

Open Graph

url
http://teachingmachin.es/
title
Teaching Machines: The History of Personalized Learning
site name
Teaching Machines: The History of Personalized Learning
description
Audrey Watters, (MIT Press 2021)

Technology

CDN
Fastly
Server
GitHub.com
Fonts
  • Font Awesome

Third-party hosts loaded (3)

  • brick.a.ssl.fastly.net×1
  • code.jquery.com×1
  • use.fontawesome.com×1

Contact

Email

DNS records live

NS
  • ns1.hover.com
  • ns2.hover.com
MX
  • 10 mx.hover.com.cust.hostedemail.com

Email authentication weak

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

Certificate (current)

R12
from 2026-04-25 to 2026-07-24
Expires in 65 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://teachingmachin.es/

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

Links to (3)

Linked from (1)