indexo.dev

clifford-algebras.org

.org crawl

First seen 2026-04-21 · Last seen 2026-05-11 · ok HTTP/1.1 200 1982 ms crawled 2026-05-15

US · 104.21.12.201 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Home | clifford-algebras.org
Language
en
Generator
Drupal 8 (https://www.drupal.org)
Canonical
https://clifford-algebras.org

Technology

CDN
Cloudflare
CMS
Drupal

Registration

Registrar
Go Australia Domains, LLC
Created
2013-03-25
Expires
2027-03-25 308 days left
Updated
2026-05-12
Name servers
  • ivy.ns.cloudflare.com
  • roman.ns.cloudflare.com

DNS records live

NS
  • ivy.ns.cloudflare.com
  • roman.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

E8
from 2026-05-12 to 2026-08-10
Expires in 81 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://clifford-algebras.org/

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

Links to (4)

Linked from (1)