UK Internet Infrastructure & Cybersecurity Blog
Expert insights on DNS monitoring, BGP routing, TLS certificates, email security, and UK internet health — from the team at VantagePoint Networks.
- Email Security15 Feb 2026
Email Security in 2025: Why DMARC Is No Longer Optional for UK Businesses
Google, Yahoo, and now Microsoft require DMARC for bulk email senders. UK businesses without DMARC risk email delivery failures and brand impersonation. Here's how to comply.
6 min readRead → - Cybersecurity1 Feb 2026
UK SME Cybersecurity: The Essential Network Monitoring Checklist for 2025
A practical network monitoring checklist for UK small and medium businesses: DNS, email security, TLS certificates, security headers, BGP, and ISP health — covering Cyber Essentials requirements.
7 min readRead → - Security20 Jan 2026
CDN Fingerprinting: How to Identify Which CDN Protects Any UK Domain
VP Pulse's domain scan identifies whether a UK domain is protected by Cloudflare, Vercel, CloudFront, Fastly, Akamai, or other CDNs. Here's why it matters for security.
4 min readRead → - ISP10 Jan 2026
UK ISP Reliability 2025: BT, Sky, Virgin Media, TalkTalk and Outage Monitoring
Which UK broadband provider has the best uptime? VP Pulse monitors major UK ISP status in real time. This guide covers UK ISP reliability data, how outages happen, and what to watch for.
6 min readRead → - DNS25 May 2025
DNSSEC: Does Your UK Domain Need It and How Do You Check?
DNSSEC adds cryptographic signatures to DNS records, preventing cache poisoning attacks. This guide explains DNSSEC, UK adoption, and how to check your domain status for free.
5 min readRead → - Security20 May 2025
BGP Hijacking: The Hidden Routing Threat to UK Businesses
BGP hijacking redirects internet traffic through unauthorised networks. This guide explains how it works, real-world UK impact, and how VP Pulse monitors for BGP anomalies.
6 min readRead → - Monitoring15 May 2025
Internet Weather Score: How VP Pulse Calculates UK Network Health
The Internet Weather Score is VP Pulse's composite 0–100 metric for UK internet infrastructure health. This guide explains how it's calculated and what the colours mean.
4 min readRead → - Security10 May 2025
Free Domain Security Audit: What VP Pulse Checks in Under 10 Seconds
VP Pulse's domain scan runs 8 security checks — TLS grade, DMARC, SPF, DKIM, DNSSEC, IPv6, security headers, and CDN fingerprint — for any UK domain in under 10 seconds.
5 min readRead → - Monitoring5 May 2025
UK Network Latency: London vs Manchester vs Edinburgh vs Dublin Compared
VP Pulse runs live latency probes from four UK cities. This guide explains what network latency is, why it varies across Britain, and what's normal for UK infrastructure.
5 min readRead → - Networking1 May 2025
IPv6 in the UK: Adoption Rates, Business Benefits, and How to Check Your Readiness
IPv4 addresses are exhausted. IPv6 adoption in the UK is growing but uneven across ISPs and businesses. Here's what you need to know and how to check your IPv6 readiness.
5 min readRead → - Security25 Apr 2025
HTTP Security Headers: The Invisible Shield Protecting UK Websites
Content-Security-Policy, HSTS, X-Frame-Options, and other HTTP security headers defend UK websites against XSS, clickjacking, and data leakage. Here's what each one does.
7 min readRead → - Email Security20 Apr 2025
DMARC, SPF, and DKIM: The Complete Email Security Guide for UK Businesses
Email spoofing costs UK businesses millions annually. This guide explains DMARC, SPF, and DKIM, how to implement them, and how to check your domain's email security for free.
8 min readRead → - Security15 Apr 2025
TLS/SSL Certificate Grading Explained: What A+, A, B, C Mean for UK Websites
SSL Labs grades your TLS configuration from A+ to F. This guide explains each grade, common UK website failures, and how to check your certificate with VP Pulse.
6 min readRead → - Networking10 Apr 2025
What Is BGP? A Plain-English Guide for UK IT Managers
BGP (Border Gateway Protocol) is the routing system that holds the internet together. This guide explains BGP, BGP hijacking, and why UK businesses should monitor BGP events.
7 min readRead → - DNS5 Apr 2025
DNS Resolver Comparison UK: Cloudflare vs Google vs Quad9 vs OpenDNS
Which DNS resolver is fastest from the UK? We compare Cloudflare 1.1.1.1, Google 8.8.8.8, Quad9, and OpenDNS with live latency data from British infrastructure.
5 min readRead → - Monitoring1 Apr 2025
UK Internet Health Monitoring Explained: What VP Pulse Tracks in Real Time
Learn how VP Pulse monitors DNS, BGP, TLS, email security, and UK latency in real time — and why every UK business should care about internet infrastructure health.
6 min readRead →
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