indexo.dev

mathr.co.uk

.uk crawl

First seen 2026-04-11 · Last seen 2026-05-19 · ok HTTP/1.1 200 1290 ms crawled 2026-05-19

AT · 193.170.194.196 · AS1853 ACONET

Reputation 89/100 weak security headers dmarc monitor-only

Classifying

HTML metadata

Title
index :: mathr
Description
Making art with maths and algorithms.
Language
en
Generator
https://code.mathr.co.uk/web
Canonical
https://mathr.co.uk/web/index.html

Open Graph

url
https://mathr.co.uk/web/index.html
title
index :: mathr
locale
en_GB
description
Making art with maths and algorithms.

Technology

Server
nginx

Registration

Registrar
Gandi
Created
2012-06-08
Expires
2026-06-08 18 days left
Updated
2025-04-03
Name servers
  • a.dns.gandi.net.
  • b.dns.gandi.net.
  • c.dns.gandi.net.

DNS records live

NS
  • a.dns.gandi.net
  • b.dns.gandi.net
  • c.dns.gandi.net
MX
  • 10 inbox.mathr.co.uk

Email authentication partial

SPF
v=spf1 a mx ip4:193.170.194.196 -all
strict (-all)
DMARC
v=DMARC1; p=none
policy: none (monitoring only)
DKIM
  • default: v=DKIM1;h=sha256;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtsIyVvflZwIVmvy3P7J+/p6Z1eRP9qUyj4ul4qs0AjorWL6vcPUv5g3X+MGnp1KU7VFIBtt…
selectors probed

Certificate (current)

E8
from 2026-05-09 to 2026-08-07
Expires in 79 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://mathr.co.uk/web/

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

Links to (2)

Linked from (1)