indexo.dev

flat18.co.uk

.uk crawl

First seen 2026-04-13 · Last seen 2026-05-06 · ok HTTP/1.1 200 367 ms crawled 2026-05-06

US · 185.199.110.153 · AS54113 Fastly, Inc.

Reputation 92/100 weak security headers dmarc monitor-only

sector b2b services type homepage

HTML metadata

Title
Flat 18 - Senior Design + Engineering for Founders
Description
Senior design and engineering to ship conversion-ready websites and MVPs in 2-12 weeks.
Language
en-GB
Canonical
https://flat18.co.uk

Open Graph

url
https://flat18.co.uk
title
Flat 18 - Senior Design + Engineering for Founders
locale
en_GB
site name
Flat 18
description
Senior design and engineering to ship conversion-ready websites and MVPs in 2-12 weeks.

Technology

CDN
Fastly
Server
GitHub.com
CMS
Next.js

Social

Contact

Email
Address
United Kingdom

Registration

Registrar
Cloudflare, Inc.
Created
2012-07-22
Expires
2026-07-22 63 days left
Updated
2025-06-22
Name servers
  • olof.ns.cloudflare.com.
  • zita.ns.cloudflare.com.

DNS records live

NS
  • olof.ns.cloudflare.com
  • zita.ns.cloudflare.com
MX
  • 1 aspmx.l.google.com
  • 10 alt3.aspmx.l.google.com
  • 10 alt4.aspmx.l.google.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
TXT
  • google-site-verification=rQNOU3_a5ecNn7CTVfq6Kr1CAB6r364iOhgNedJ1Ex8
  • google-site-verification=yvr7r-lXLXzCo-kKEHxm7Pb1oGJzChVFKHKtV6y2Nv4

Email authentication strong

SPF
v=spf1 ip4:45.134.140.97 a:flat18.co.uk include:f18pay-api.flat18.co.uk include:_spf.google.com include:mailgun.org -all
strict (-all)
DMARC
v=DMARC1; p=none; sp=none; aspf=r; rua=mailto:aggregrate-dmarc@flat18.co.uk; ruf=mailto:forensic-dmarc@flat18.co.uk; fo=0:1:d:s
policy: none (monitoring only) · sp=none
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-08 to 2026-07-07
Expires in 48 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://flat18.co.uk/

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

Links to (5)

Linked from (1)