indexo.dev

chemguideforcie.co.uk

.uk crawl

First seen 2026-05-15 · Last seen 2026-05-15 · ok HTTP/1.1 200 435 ms crawled 2026-05-19

GB · 82.71.205.12 · AS13037 Zen Internet Ltd

Reputation 95/100 weak security headers

sector education type homepage

HTML metadata

Title
chemguide: CIE A level chemistry support
Description
Syllabus support for CIE (Cambridge International) A level chemistry students

Technology

Server
nginx

DNS records live

NS
  • ns0.zen.co.uk
  • ns1.zen.co.uk

Email authentication no MX

SPF
v=spf1 include:_cphspf.zen.co.uk ~all
softfail (~all)
DMARC
not published
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-03-24 to 2026-06-22
Expires in 33 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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

Links to (1)

Linked from (1)