This site offer free DNS listings for your domain name.
Excellent domain name registrar.
Free web hosting and isp guide
This site provides a searchable data base of web hosts. It allows you to easily find a cheap or even free web host that matches your needs.
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Cheap internet host.
A site with several online tools for checking domain names, and IP addresses. Examples are whois lookups, tracert, ping, etc.
(swedish) Webhost in Sweden.
Check domain names. Previously known as Whois.sc
(portuguese) Registering domain names in Brazil
Free mailing lists for technology oriented matters.
(portuguese) Web hosting with 1GB space and 48GB/year data transfer, for a good price. Only supports PHP with MySQL at the moment.
Excellent web host with a good price.