mydomain and mydns mydomain features include URL Forwarding, Path Forwarding, Email Forwarding and Title, Keywords, Description Meta Tags. mydns allows all of the mydomain features plus you can set hostnames, MX records, CNames, and SOA records - all free.
EasyDNS Provides DNS service for all .com, .net, .org, and country-level Internet domains. Puts you in the driver's seat of your domain's DNS with a complete suite of user-friendly, web site based, DNS management tools.
ZoneEdit You can use their DNS server free for up to 5 domains.
Network-Tools.com Microsoft recommends this site for verifying network configurations. Includes a Whois list of countries, Traceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS, DNS Records Lookup, and E-Mail relay Check.
This is a perfect opportunity for you to add an enhanced link and become a supporter. Enhanced links are shown at the top of the category listings with a bold Title, newest links first. For maximum exposure consider a sponsored home page or site-wide text link.