DnsLibrary 

The DNS Library is a COM component that makes dynamic DNS updates to RFC-2136-compatible DNS servers possible from any scripting languages in an easy way. For secure updates, HMAC-MD5 and GSS-TSIG are supported.
dynamic dns server script secure kerberos gss tsig hmac md5 spnego ntlm bind basic authentication

DNS Automation Library 

Easily automate Microsoft DNS servers fully and dynamically with this programming library. Manage servers, zones, resource records. Save yourself hours of frustration and get the job done quickly - ideal for ISPs provisioning customer domains.
dns automation dns wmi dns provisioning domain provisioning