eToolz is a portable set of useful networking tools. This handy application will provide you with important tools like DNS-Lookup, Ping, TraceRoute, and Whois as well as also allowing you to check e-mail addresses and shows domain information entries.eToolz Features:The most important DNS entries can be shown (A, PTR, NS, MX, TXT and SOA)Automatic or manual query for Whois server including automatic redirectionMail addresses can be checked for validityMail headers can be broken down and the received lines can be checked for plausibilityQuery and update the system time using various time serversQuery the external IP address and the external host name through Web servicesDisplay the installed and available network adapters and their corresponding IPv4 statisticsDisplay the HTTP headers for a URLeToolz supports internationalized domain namesYou will need a program like WinRar in order to unpackage eToolz - if you need some help using it check out this easy-to-follow video walkthrough.