Find your real public IP
How to Find Your Public IP Address (Not ipconfig)
ipconfig shows your private LAN IP — not what websites see. Learn how to find your real public IP address free with our live checker. Read More
Guides
In-depth network and IP guides on VSPIC — written for the same topics as our free tools. Each guide links to a live checker so you can act immediately.
Static IP vs dynamic IP
Static IP vs Dynamic IP — How to Tell Which You Have
Most home connections use dynamic IPs that change occasionally. Learn static vs dynamic IP, how to check yours, and when a fixed address is worth paying for. Read More
Check DNS records free
How to Check DNS Records Online Free
Look up A, MX, TXT, NS, and more DNS records in one search. Step-by-step guide to verify domain DNS after hosting or email changes. Read More
Port forwarding step by step
How to Set Up Port Forwarding on Your Router
Forward ports for gaming, remote desktop, or self-hosted apps. Find your public IP, set the rule, and verify with an external port checker. Read More
Domain WHOIS explained
How to Look Up Domain WHOIS Registration Data
Read WHOIS results: registrar, expiry, nameservers, and status codes. Know what registration data means before you buy or report a domain. Read More
VPN privacy checklist
How to Test VPN Privacy — IP, DNS & WebRTC Leaks
Verify your VPN actually hides your IP. Run IP, DNS leak, and WebRTC tests in one privacy checklist before you trust the connection. Read More
Speed test guide
How to Run an Internet Speed Test Online
Measure download, upload, ping, and jitter. Learn what speed test numbers mean and when to test on Wi‑Fi vs Ethernet. Read More
SPF, DKIM & DMARC setup
How to Set Up SPF, DKIM & DMARC Email DNS Records
Fix email delivery with SPF, DKIM, and DMARC TXT records. Validate selectors and policy after DNS changes. Read More
Check DNS propagation across global resolvers after every migration
How to Check DNS Propagation Worldwide
See when global resolvers pick up new A, MX, or nameserver records. Understand TTL, caching, and how to read propagation results. Read More
Check SSL/TLS before your certificate expires
How to Check SSL Certificate Expiry & HTTPS Status
Validate HTTPS certificates, see issuer and days until expiry, and fix mixed content before browsers warn visitors. Read More
Run a ping test after speed test and IP check
How to Run a Ping Test Online
Measure latency to any host in milliseconds. Interpret ping results for gaming, video calls, and ISP troubleshooting. Read More
Trace the path packets take across the internet
How to Use Traceroute Online
See each router hop between you and a server. Spot latency spikes and share results with your ISP. Read More
Scan dozens of ports in one click — then verify with port checker
How to Scan Open Ports Online
Probe common TCP ports on your server or home IP. Use presets for web, mail, and remote access, then verify single ports. Read More
Look up any IP after you find yours with What Is My IP
How to Look Up an IP Address & Location
Find geolocation, ISP, and ASN for any IPv4 address. Learn what IP lookup can and cannot tell you. Read More
VPN users must pass DNS leak test, not only IP check
How to Test DNS Leak With VPN Connected
See if DNS queries bypass your VPN tunnel. Fix resolver settings so browsing stays private. Read More
WebRTC can reveal LAN IPs even when VPN hides public IP
How to Test WebRTC Leak With VPN
Detect if your browser exposes local LAN IPs while VPN is on. Adjust settings when leaks appear. Read More
Mail bouncing? Check if your IP is blacklisted
How to Check If Your IP Is Blacklisted
See if your IP appears on spam blocklists. Fix mail delivery and request delisting after abuse incidents. Read More
What IP does a website use? Resolve A records here
How to Find a Website's IP Address
Resolve any domain to its current A/AAAA records. Understand CDN fronting and when the IP is not the origin server. Read More
PTR lookup for mail deliverability and troubleshooting
How to Check Reverse DNS (PTR Records)
Look up PTR records for mail deliverability. Learn why forward and reverse DNS should match on mail servers. Read More
Scan QR codes in the browser — no app store required
How to Scan a QR Code Online Free
Use your browser camera or upload a screenshot to decode QR codes — URLs, Wi‑Fi, and contact cards without an app. Read More
Convert image to text with OCR in your browser
How to Extract Text From an Image (OCR)
Turn photos and screenshots into editable text in your browser. Tips for clear scans and accurate OCR results. Read More
Domain WHOIS vs IP WHOIS — know which tool to use
How to Look Up IP WHOIS Records
Find network owner, CIDR block, and abuse contacts for any IP. Different from domain WHOIS — here's when to use each. Read More
Check whether websites can tell you use VPN or proxy
How to Check If Your VPN Is Detected
See whether your IP looks like VPN, proxy, or datacenter. Know what websites likely flag before you assume you're hidden. Read More
One report for DNS records and email authentication
How to Run a DNS Health Check
Get a full domain DNS report with email auth validation and health score — ideal after hosting or mail migrations. Read More
Test IPv6 alongside your IPv4 public address
How to Test IPv6 Connectivity
Check if your network supports IPv6 and see your address. Dual-stack basics and what to do when only IPv4 works. Read More
Check emails against known breach databases safely
How to Check If Your Email Was in a Data Breach
Search known breach databases for your email. What to do if you're found and how to stay safer afterward. Read More
Translate Morse in the browser with sound
How to Translate Morse Code Online
Encode text to dots and dashes or decode Morse back to letters. Play audio and learn the ITU chart in your browser. Read More
Hide IP for privacy — understand what actually changes
How to Hide Your IP Address Online
VPN, proxy, and Tor compared. What actually changes your visible IP and how to verify with live checks. Read More