HEATKEYS

Easy to use web-based service.

DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering. Explore monitoring products and free DNS tools at DNSstuff.

intoDNS checks the health and configuration of DNS and mail servers.

What

Free DNS service what you

DNS Test and Check - Free DNS Tools and Report

Free online network utilities, including traceroute, nslookup, dig, automatic whois lookup, ping, finger, and our own Domain Dossier and Email Dossier. Some source code included.

DNSQuery.org is a free, non-profit web site, targeting system or dns or domain administrators, to enable them make some queries via a candy web interface

DNSgoodies.com - Free utilities for DNS check, Open relay tests, Spam lookups, Whois and other domain related information.

Free web tool which checks your domain

UltraTools is a complete set of free DNS and domain tools, which test the health of your domain name servers, websites and online hosting environment.

WWW.KLOTH.NET, mostly about radio and communications (ITU frequency allocations table, Q-codes, Z-codes, maritime selcall, selcalling), software, internet, (dig, nslookup, whois, bad bots, anti-spam), link-collections about radio, solar, fina...