Although WINS was not constructed to provide reverse lookup capabilities, this functionality can still be accomplished for DHCP/WINS enabled clients when using Microsoft's DNS server. The presence of a WINS-R record at the zone root instructs the name server to use a NetBIOS node adapter status lookup for any reverse lookup requests for IP addresses in the zone root which are not statically defined with PTR records.
<domain> IN WINS-R <domain to append to returned NetBIOS names>
Example:
@ IN WINS-R microsoft.com.
WINS Reverse Lookup can be enabled for a zone through the DNS Manager instead of requiring manual entry of the WINS-R record. This is accomplished by clicking on the appropriate in-addr.arpa zone with the alternate mouse button and clicking on properties. Then click on the WINS Reverse Lookup tab. Check the Use WINS Reverse Lookup checkbox and fill in the DNS Host Domain to be appended to the NetBIOS name before returning the response to the resolver.
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The Microsoft DNS server can be configured to NOT send WINS records to secondary servers. This is necessary if you have a mixture of Microsoft- and UNIX-based DNS servers since UNIX-based DNS servers do not have the capability to do WINS lookup. |
