BIND Versions for SRV Records and Dynamic Update

[Nitin Khurana]

Hi,
   I am looking for the minimum BIND versions required for SRV Record =
Support and the minimum BIND versions for the support of dynamic updates =
(RFC 2136). Could you please give me that small information?
     And if you could tell  me what are the default BIND versions that =
come with Solaris 7 and 8 and with Red Hat Linux 7.1/7.2 ? and with =
Caldera Linux 3.1

Thanks in advance.

Nitin Khurana.