Summary
The Name Server Daemon is running at this host.
NSD is an authoritative only, high performance, simple and open source name server.
The NSD allow remote users to query for version and type information. The query of the CHAOS TXT record 'version.bind', will typically prompt the server to send the information back to the querying source.
Solution
Set 'hide-version: yes' in nsd.conf.
References
Updated on 2015-03-25
