Articles about IP addresses, VPN, website monitoring, AI tools and internet security
IPChecker Pro's blog covers the practical side of IP networking, DNS, VPN, port scanning and web privacy β the same toolkit our free online tools are built on. Every article is written for engineers, administrators and curious end-users who want plain-English answers backed by current 2026 data β not a wall of affiliate links.
Each post is paired with a hands-on tool you can run from the browser β no installation, no signup. After reading a guide, check your own setup with our DNS lookup, port checker, website availability checker or security audit. That feedback loop β learn the concept, verify on your own network β is what we optimise for.
We publish weekly. Every article is sourced from primary documentation (RFCs, IANA, ICANN, vendor advisories), recent industry reports (CrowdStrike, Cloudflare, Kaspersky, MTS Cybersecurity), and tested on real infrastructure when relevant. We do not run sponsored placements inside the post body. Affiliate links, when present, are disclosed inline.
Browse the full archive below, filter by category, or jump straight to a specific topic via the chips above. Updated weekly β last updated May 2026.
Incognito wipes your history from your laptop and nothing else. Here's how browser fingerprinting actually identifies you β Canvas, WebGL, audio, fonts β and what works in 2026.
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Your VPN is on. Is your ISP still seeing everything? Three quiet leaks β DNS, WebRTC, IPv6 β kill most VPN setups. Five-minute test plan to catch them all.
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Classic DNS is plaintext. DoH hides your queries, DoT does the same on its own port, and ECH finally kills the last leak in TLS. A practical 2026 guide to the encrypted DNS stack.
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GDPR gutted public WHOIS in 2018. Here's what's still in there in 2026, how to read a modern record, and the investigator tricks (historical WHOIS, reverse lookup, nameserver pivot) that still work.
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VPN, Tor, proxies, Apple Private Relay or just tethering β an honest 2026 comparison of the five methods that still work, what each one costs, and what it absolutely doesn't protect.
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From the Great Firewall to Iran, Turkey and the UK β a practical explainer of how Deep Packet Inspection works, what it can and can't see, and how users route around it.
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If you have to ask, you probably don't need a static IP. Here's the honest 2026 breakdown β who needs one, who doesn't, and the cheaper alternatives most guides skip.
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Half the internet runs on IPv6 in 2026. Here's the no-nap guide to the two protocols, why IPv4 won't die, and the handful of cases where the difference actually matters.
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Voice clones, video deepfakes, LLM phishing and prompt injection β the new attack playbook for 2026, plus the verification habits that actually stop it.
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