Dynamic Update Tester 

Dynamic Update Tester is an application to test dynamic updates (RFC2136) on DNS servers. The latest version supports secure updates using transaction signatures (RFC2845). This is a test application not an automatic IP updater.
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Speedy Web Navigator XP 

Speedy Web Navigator XP has three features to speed up your web surfing, a DNS Optimizer to increase surfing speed, a Cable/DSL/Dial-Up Modem Optimizer increasing download speed and provide better stability/reduced lag in online gaming
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IP Helper 

This IP Helper software shows you both your internal and external IP addresses, can notify you by email when they change, performs DNS and Whois lookups, and much more!
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Mass eMailer 

Mass eMailer 2.1 is easy to use but powerful program for sending bulk emails to multiple recipients. It has internal SMTP server and internal DNS client, so you can send emails without using your ISP mail servers.
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TZO Dynamic DNS Lite 

This is the classic version of the TZO Client software which first introduced the idea of linking a domain name to a Dynamic IP address. TZO uses true dynamic DNS client/server technology and has one of the most reliable infrastructures.
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IE Timeout Tuner 

This tool can adjust 3 'hidden' registry settings of Internet Explorer to control caching of DNS records, server connection timeout, and caching of server information.
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