ExamineIP

A free suite of browser-based network diagnostic tools that solve IP lookup, VPN leak testing, DNS checking, port scanning, and speed testing needs. It targets IT professionals, developers, and general users seeking quick network insights without signup. The service is positioned as a no-install, instant-access alternative to complex network utilities, with all tools running directly in the browser.

Key features

• IP address lookup with location and ISP
• VPN leak test for IP, DNS, WebRTC, IPv6
• DNS checker for A, AAAA, MX, TXT records
• Speed test for download, upload, ping, jitter
• Port scanner for 26 common TCP ports
• WHOIS lookup for domain and IP registration
• Bulk IP lookup for up to 20 addresses
• Subnet calculator for CIDR and masks
• Email header analyzer to trace sender IP
• Encoding tools for Base64, MD5, SHA, URL
• IP reputation and blacklist checker
• Ping test for latency, jitter, packet loss
• Password strength checker and generator
• Privacy exposure score tool