When it comes to zone records, the most commonly used types of registry are the authoritative and reverse, although they can be executed on the same machine they have different characteristics:


  • The authoritative is responsible for maintaining the maps of a local area and responding to requests coming from machines around the world that need to resolve the zone domain names over which this server has authority;
  • Recursive is responsible for receiving DNS queries from local clients and querying external servers for answers to queries, see [https://brbos.brbyte.com/dns/recursive](https:/ /brbos.brbyte.com/dns/recursive).


Who needs an authoritative server?

Only those who need to spread domains on the Internet. The authoritative is the server that is authorized to respond by a domain.

By being the authoritative authorized by your respective registry authority, to respond by a domain, it is a server that should be available for any query made on the Internet. That is, it is an open server, from the point of view of queries to the domains under its jurisdiction.


With BrbOS, you can set up a DNS server within your network, create ACLs to ensure that only the allowed networks make recursive queries, and any network can query the registers in the zones, see [https: // brbs .brbyte.com / dns / acl-control] (https://brbos.brbyte.com/dns/acl-control).


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