Dynamic Update Tester is an application to test dynamic updates (RFC2136) on DNS servers. The latest version supports secure updates using transaction signatures (RFC2845). GSS with SPNEGO/Kerberos v5 is also supported. This is a test application not an automatic IP updater. For an advanced dynamic IP updater please try my DynSite program available at http://noeld.com/dynsite.asp
Download.Link-1 Dynamic Update Tester is the Shareware version. The full version can be purchased by clicking on the "CLICK HERE TO ORDER" button below for around 12.00USD.