tanenbaum.org

.org crawl

First seen 2026-06-01 · Last seen 2026-06-01 · ok HTTP/1.1 200 494 ms crawled 2026-06-01

US · 104.21.88.201 · AS13335 Cloudflare, Inc.

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
Homepage - Tanenbaum
Language
en-US
Generator
Event Espresso Version 5.0.56
Canonical
https://tanenbaum.org/
Feeds

Open Graph

url
https://tanenbaum.org/
title
Homepage - Tanenbaum
locale
en_US
site name
Tanenbaum

Technology

CDN
Cloudflare
CMS
WordPress
jQuery
3.3.1 known XSS (<3.5)
Analytics
  • Google Tag Manager
Fonts
  • Google Fonts

Third-party hosts loaded (5)

  • code.jquery.com×2
  • fonts.googleapis.com×2
  • maxcdn.bootstrapcdn.com×2
  • www.google.com×2
  • www.googletagmanager.com×1

Social

DNS records live

NS
  • alla.ns.cloudflare.com
  • mcgrory.ns.cloudflare.com
MX
  • 1 tanenbaum-org.mail.protection.outlook.com
TXT
  • e2ma-verification=uqyeb

Email authentication partial

SPF
v=spf1 include:spf.protection.outlook.com include:_spf.e2ma.net -all
strict (-all)
DMARC
v=DMARC1; p=none;
policy: none (monitoring only)
DKIM
  • s1: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr2QCD5yfME0dbap2SpcyKbuyNcOL9aq6MOpAvGQ6mUvQ1f+d81mugjjtETTKkBKrOMnfuafDaDu5WdtFKj…
  • s2: k=rsa; t=s; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAutSIC9hrrQFUcPPQS4csvZOjwRNv5AtnjKrSqsjkpAyGumV9V7QVYFFOHcFa9oiObVTB4o5qgyX5eivGxA…
selectors probed

Certificate (current)

WE1
from 2026-04-18 to 2026-07-17
Expires in 45 days

HTTP security headers

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

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

Links to (5)

Linked from (1)