Traceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS, and DNS Records Lookup
 

You can use this tool to do a live traceroute, ping, web server check and DNS query from Net-ok.net (located in USA) to any host that you specify. Whois, Ping, Port Scanner, NSlookup, Traceroute, Domain Name Server (DNS), Lookup, DNS Records Lookup, HTTP Telnet.

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And all of those tools are already in Linux, thanks.