indexo.dev

teachingworks.org

.org crawl

First seen 2026-04-21 · Last seen 2026-05-15 · ok HTTP/1.1 200 4111 ms crawled 2026-05-15

US · 23.185.0.3 · AS54113 Fastly, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
TeachingWorks - TeachingWorks
Language
en-US
Generator
WordPress 6.9.4
Canonical
https://www.teachingworks.org/

Open Graph

url
https://www.teachingworks.org/
title
TeachingWorks
locale
en_US
site name
TeachingWorks

Technology

Server
nginx
CMS
WordPress
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts
Social widgets
  • Vimeo Embed

Third-party hosts loaded (6)

  • fonts.googleapis.com×3
  • www.google.com×2
  • fonts.gstatic.com×1
  • gmpg.org×1
  • player.vimeo.com×1
  • www.googletagmanager.com×1

Social

Contact

Email
Phone

Registration

Registrar
Tucows Domains Inc.
Created
2011-07-07
Expires
2027-07-07 412 days left
Updated
2024-04-17
Name servers
  • cffw1.dns.umich.com
  • cffw2.dns.umich.net

DNS records live

NS
  • dns1.itd.umich.edu
  • dns2.itd.umich.edu
  • dns3.umich.org
  • dns4.umich.org
MX
  • 0 mx1.a.mail.umich.edu

Email authentication weak

SPF
not published
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
no key found at common selectors

Certificate (current)

R12
from 2026-04-18 to 2026-07-17
Expires in 57 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 45/100 Checked live page: https://www.teachingworks.org/

present
  • strict-transport-security
findings
  • short HSTS max-age
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
strict-transport-security
max-age=300

Links to (3)

Linked from (1)