BIND Monitoring

Hi guys
I need to monitor a DNS server with BIND9.
The SNMP service has been installed on server, but I can not see the BIND OID.
What else do I need?
The server has been installed on a different computer than Librenms.
best regards.

Component | Version
--------- | -------
LibreNMS  | 1.42.01-75-ge9ff8c48b
DB Schema | 260
PHP       | 7.2.7-0ubuntu0.18.04.2
MySQL     | 10.1.34-MariaDB-0ubuntu0.18.04.1
RRDTool   | 1.7.0
SNMP      | NET-SNMP 5.7.3

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