Free Network Tools & Guides
Your IP Address.
Explained. Secured.
Check your IP, test for VPN leaks, run DNS lookups and scan ports β then learn how the internet actually works, in plain English.
Tools
Free, no signup, nothing stored
Most tools run entirely in your browser; the few that need a server return the result without keeping it. All twenty-five are free and work instantly.
What Is My IP?
Your IP, ISP, location, hostname and connection type β instantly.
Networkβ
VPN Leak Test
Tests IP, WebRTC and IPv6 leaks β is your VPN actually protecting you?
Securityβ
IPv6 Readiness Test
Do you have IPv6 β and is your address built from your network cardβs serial number?
Networkβ
DNS Checker
Look up A, AAAA, MX, TXT, CNAME and SOA records. Compare Google vs Cloudflare.
DNSβ
Reverse DNS Lookup
The hostname behind an IP address, and whether it points back β the check mail servers make.
DNSβ
DNS Propagation
Ask four independent resolvers at once and see which still hold the old answer.
DNSβ
DNSSEC Checker
Signed, unsigned, or quietly broken β a broken setup hides a domain from millions.
DNSβ
Speed Test
Real download, upload, ping and jitter measurement β not an estimate.
Networkβ
Ping Test
Latency, jitter and packet loss to global servers, measured live.
Networkβ
Port Scanner
Real TCP scan of 26 common ports on any IP or domain. See whatβs open.
Securityβ
IP Reputation Check
Blacklist and threat check across DNS blocklists and the Tor exit list.
Securityβ
SSL Certificate Checker
Expiry, issuer and chain of trust β the parts the padlock icon hides.
Securityβ
Security Headers
Not just which headers exist, but whether they actually protect anything.
Securityβ
Lookalike Domain Checker
A Cyrillic βΠ°β looks exactly like a Latin one. Find out which you are reading.
Securityβ
QR Code Decoder
See where a QR code goes before you point a phone at it.
Securityβ
WHOIS Lookup
Domain and IP registration details over RDAP, in plain English.
Networkβ
ASN Lookup
Who runs a network, where it is registered and every IP range it announces.
Networkβ
Bulk IP Lookup
Location, ISP and type for up to 20 addresses at once.
Networkβ
Subnet Calculator
CIDR ranges, masks and host counts, including the /31 and /32 edge cases.
Networkβ
MAC Address Lookup
Find a device’s manufacturer, or see that it is using a randomised private address.
Networkβ
DMARC Checker
Can anyone send email pretending to be your domain? Most policies enforce nothing.
Securityβ
Email Header Analyzer
Trace the servers a message really passed through, and whether it authenticated.
Securityβ
DMARC Report Reader
Turn the daily XML reports into a table of who is sending mail as your domain.
Securityβ
Password Tools
Strength checking, passphrase generation and a private breach check.
Securityβ
Encoding Tools
Base64, MD5, SHA, URL, Hex and JWT β encode, decode and hash in the browser.
Encodingβ
Interactive
See what the internet knows about you
Four things you can try right now. No account, no email, nothing saved.
What We Know About You
We detect nine things about you the moment you land β then delete every one. Most sites keep them.
Reveal it β
Scam Test
Could you spot an AI-generated scam? Ten real examples. Most people miss at least three.
Take the test β
Privacy Exposure Score
Answer a few questions and get a score for how exposed you actually are, with fixes ranked by impact.
Get my score β
Delete Yourself
A free, maintained opt-out directory for people-search sites and data brokers. Direct links, no dead ends.
Start removing β
Learn & Fix
Guides
Plain-English explanations β no technical background needed.
Networking
How the internet actually works
Privacy & VPN
Hide your IP and stay private
Error Fixes
Step-by-step troubleshooting
Start Here
If you only read six
The guides people find most useful β and the stories most people havenβt heard.
Privacy
Can Websites See Your Real IP Behind a VPN or Private Relay?
VPN, proxy and iCloud Private Relay compared β what each one actually hides, and where they leak.
PrivacyYour Private AI Chats Are Leaking
People tell chatbots things theyβve never told another human. Then those conversations turn up on the open internet.
PrivacySurveillance Pricing: Why You Pay More
Two people open the same shop, the same second, the same product. One sees $89. The other sees $104.
VPNWhat Is a VPN? A Plain-English Explanation
What a VPN genuinely hides, what it doesnβt, and whether you actually need one. Honest about the limits.
SecurityCan Someone Hack You With Your IP Address?
Short answer: no, not directly. Hereβs exactly where the line sits β and what genuinely puts you at risk.
VPNWhat Is a DNS Leak?
Your VPN says βConnectedβ while your ISP still sees every site you visit. How to test for it and fix it.
π 14 books on privacy, scams and the internet
Plain-English guides for people who arenβt technical β AI scams, deleting yourself from data brokers, Kali Linux, the history of the PC, and more. Available on Kindle.