🌐 Network Tools
12 tools
Ping Test
ICMP Connectivity Test
Test ICMP connectivity and measure latency to a host.
Traceroute
Network Path Tracing
Trace the full network path and hops to a destination.
DNS Lookup
Free Online DNS Record Lookup Tool
Free online DNS lookup tool. Query A, AAAA, MX, CNAME, TXT, and all other DNS record types for any domain instantly.
WHOIS Lookup
Domain Registration Info
Look up domain registration and ownership information.
Port Scanner
Free Online Port Scanner & Checker
Free online port scanner. Check open ports on any host or IP address. Detect exposed services and potential security vulnerabilities.
CDN Check
CDN & Real IP Detection
Identify CDN provider and discover the real origin IP.
ASN Lookup
IP Ownership Lookup
Find IP ownership and autonomous system information.
HTTP Headers
Free Online HTTP Response Header Checker
Free online HTTP header checker. Inspect response headers from any URL. Analyze security headers, cache policy, and server configuration.
WebRTC Leak Test
Detect VPN IP Leaks via WebRTC
Test if your browser leaks your real IP address through WebRTC. Detect VPN leaks instantly in your browser.
Browser Fingerprint
UA · Screen · GPU · Canvas · Audio Fingerprint
Check your browser fingerprint. See what unique attributes your browser reveals — without cookies.
DNS Leak Test
Check DNS Servers · IP Leak · VPN Privacy Test
Test for DNS leaks. See your IP as the server records it, check your DNS servers, and compare DNS resolvers.
IP Block Test (GFW)
Domestic vs Overseas · TCP & ICMP · GFW Block Detection
Check whether an IP and port are blocked by China's Great Firewall (GFW). We probe TCP and ICMP from both a domestic (China) node and an overseas node, then compare to tell if the IP is reachable, blocked, or down.