Web-based ping, traceroute and DNS lookup

Today I ran across three useful online tools to do a quick test from multiple locations worldwide of ping, traceroute and DNS lookup. just-ping.com – Online web-based ping: remote ping a server or web site using our network with 40 checkpoints worldwide. just-traceroute.com – Online traceroute from 4 locations worldwide. just-dnslookup.com – Remote DNS lookup (nslookup/dig) […]

How to: Reverse DNS from Windows Command Line using Ping

Here’s a quick and easy way to do a Reverse DNS (RDNS) lookup using ping.exe from a Windows command prompt using the -a switch. ping -a <IP Address> Example ping -a This example will resolve the address as follows: Pinging www4.comcast.net [] with 32 bytes of data: Reply from bytes=32 time=66ms TTL=51Reply from […]