iNetTools – PingDNSPort Scan
iNetTools is a free utility and tools software available for iPhone and iPad users. It is designed to provide a suite of network diagnostic tools to help users diagnose their network problems. The tools included in this application are Ping, DNS Lookup, Trace Route, Port Scan, Whois, Server Monitor, and Lan Scan. It is a universal app that supports both IPv4 and IPv6.
The app is easy to use, and it supports server list for frequently used servers and recent tasks for recently executed tasks. With iNetTools, users can diagnose their network problems on iPhone and iPad with simple interfaces.