用windows2008R2搭建AD域服務器，是否必須要在主域控服務器上添加DNS角色，可否使用外部的DNS作為AD域的DNS，如伯克利提供的bind搭建的DNS服務器？
uj5u.com熱心網友回復：
外部DNS可以的，但是需要能夠支持動態更新和SRV記錄。WINDOWS AD就可以正常使用了，并不要求使用WINDOWS作為DNS服務器。
參考這里，
DNS Domain Name Registration
Active Directory supports dynamic registration of domain controller addresses in DNS. After Active Directory has been installed during domain controller creation, the Net Logon service dynamically creates records in the DNS database that are used to locate the server. Dynamic update (described in RFC 2136) is a recent addition to the DNS standard; this addition to the standard defines a protocol for dynamically updating a DNS server with new or changed resource record values. Before the advent of this new protocol, administrators had to manually create the records that are stored on DNS servers. The implementation of DNS server that is included with Windows Server 2003 and later supports dynamic updates, as does the Berkeley Internet Name Domain (BIND) version 8.x implementation of DNS.
https://technet.microsoft.com/en-us/library/cc759550(v=ws.10).aspx
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標籤：網絡管理與配置