The DNS Library is a COM object that makes dynamic DNS updates to BIND, Microsoft and other RFC-2136-compatible DNS servers possible in an easy way for applications written in C++, VB, JavaScript, and most scripting languages. The library supports the following record types: A, MX, SRV, NS, CNAME, PTR, TXT. The library implements 5 components: DnsLibrary.Server, DnsLibrary.Resolver, DnsLibrary.Authentication, DnsLibrary.ResourceRecord, DnsLibrary.ResourceRecordSet. For secure updates, HMAC-MD5 (BIND) and GSS-TSIG (Microsoft) are supported.

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