understandinguncertainty.org

.org crawl

First seen 2026-04-14 · Last seen 2026-05-07 · ok HTTP/1.1 200 2512 ms crawled 2026-05-08

US · 99.83.231.61 · AS16509 Amazon.com, Inc.

Reputation 70/100 wrong cert weak security headers

Classifying

HTML metadata

Title
Understanding Uncertainty
Generator
Drupal 7 (http://drupal.org)
Feeds

Technology

CDN
Netlify
CMS
Drupal

Third-party hosts loaded (3)

  • cdnjs.cloudflare.com×1
  • i.creativecommons.org×1
  • imgs.xkcd.com×1

Social

Registration

Registrar
Tucows Domains Inc.
Created
2007-09-18
Expires
2034-09-18 3044 days left
Updated
2025-03-24
Name servers
  • ns1.mythic-beasts.com
  • ns2.mythic-beasts.com

DNS records live

NS
  • ns1.mythic-beasts.com
  • ns2.mythic-beasts.com

Email authentication no MX

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

Certificate (current) wrong cert

DigiCert Global G2 TLS RSA SHA256 2020 CA1
from 2026-02-16 to 2027-03-20
Expires in 305 days

HTTP security headers

Header hygiene 35/100 Checked over plain HTTP: http://understandinguncertainty.org/

findings
  • checked over plain HTTP
  • missing Content Security Policy
  • missing frame protection
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy

Links to (50)

Linked from (1)