Freeware: Nslookup

 
Download DNS Thing 1.0a

DNS Thing 1.0a DNS Thing is a free tool that lets Windows users perform DNS queries from a graphical interface. It provides commonly looked up information such as IP addresses for hostnames or MX records for domains.

Download Axence NetTools 3.0

Axence NetTools 3.0 Comprehensive set of network tools: NetWatch - network monitoring&alerting, WinTools lists exhaustive system info from Windows computers, port/network scanner, NetStat lists local connections, TCP/IP workshop, ping, trace, lookup, SNMP browser