twistordiagrams.org.uk

.uk crawl

First seen 2026-04-18 · Last seen 2026-05-13 · ok HTTP/1.1 200 2694 ms crawled 2026-05-13

US · 104.21.32.157 · AS13335 Cloudflare, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Twistor Diagrams

Technology

CDN
Cloudflare

Registration

Registrar
OWA Digital Ltd.
Created
2004-04-03
Expires
2028-04-03 683 days left
Updated
2026-01-08
Name servers
  • elma.ns.cloudflare.com.
  • rocky.ns.cloudflare.com.

DNS records live

NS
  • elma.ns.cloudflare.com
  • rocky.ns.cloudflare.com

Email authentication no MX

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

Certificate (current)

WE1
from 2026-03-26 to 2026-06-24
Expires in 34 days

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.twistordiagrams.org.uk/

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

Links to (13)

Linked from (2)