indexo.dev

chrissimpson.co.uk

.uk crawl

First seen 2026-05-03 · Last seen 2026-05-03 · ok HTTP/1.1 200 579 ms crawled 2026-05-09

US · 185.199.108.153 · AS54113 Fastly, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title
Chris Simpson — Software developer and search engineer
Description
I'm Chris Simpson — a software developer and search engineer based in London. I write about programming, search systems, and Elasticsearch.
Language
en
Feeds

Technology

CDN
Fastly
Server
GitHub.com
CMS
Next.js

Social

Registration

Registrar
123-Reg Limited t/a 123-reg
Created
2008-09-24
Expires
2027-09-24 491 days left
Updated
2024-06-22
Name servers
  • ns17.domaincontrol.com.
  • ns18.domaincontrol.com.

DNS records live

NS
  • ns17.domaincontrol.com
  • ns18.domaincontrol.com
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com

Email authentication weak

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

Certificate (current)

R13
from 2026-05-09 to 2026-08-07
Expires in 78 days

Full certificate history on crt.sh ↗

HTTP security headers

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

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)