sister-sites.co.uk

.uk crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 693 ms crawled 2026-05-18

US · 172.66.41.10 · AS13335 Cloudflare, Inc.

Reputation 87/100 weak security headers no dmarc policy

Classifying

HTML metadata

Title: Sister Sites ✔ Your Trusted UK Source for Sister Sites in 2025
Description: The UK's #1 website for sister sites in online gambling. Browse thousands of online casinos, bingo and sports betting websites and understand how they are related through their operator.
Language: en-GB
Canonical: https://www.sister-sites.co.uk/

Open Graph

url: https://www.sister-sites.co.uk
title: Sister Sites ✔ Your Trusted UK Source for Sister Sites in 2025
locale: en_GB
site name: Sister-Sites.co.uk
description: The UK's #1 website for sister sites in online gambling. Browse thousands of online casinos, bingo and sports betting websites and understand how they are related through their operator.

Technology

CDN: Cloudflare
CMS: WordPress

Analytics

Cloudflare Insights
Google Tag Manager

Third-party hosts loaded (3)

js.hcaptcha.com×2
static.cloudflareinsights.com×1
www.googletagmanager.com×1

Social

Registration

Registrar

Namecheap, Inc.

Created

2019-10-06

Expires

2026-10-06 138 days left

Updated

2025-09-06

Name servers

bella.ns.cloudflare.com.
noah.ns.cloudflare.com.

DNS records live

NS

bella.ns.cloudflare.com
noah.ns.cloudflare.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

Verified for

Google
OpenAI

Email authentication weak

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

Certificate (current)

WE1

from 2026-05-05 to 2026-08-03

Expires in 74 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 30/100 Checked live page: https://www.sister-sites.co.uk/

findings

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