dns - resolve record

Attempts to resolve the DNS record, and optionally checks the result. Requires dig to be installed and on the PATH.

record

the DNS name to resolve

record_type

the type of record to request

desired_val

if not given, this monitor simply checks the record resolves.

Give the special value NXDOMAIN to check the record does not resolve.

If you need to check a multivalue response (e.g. MX records), format them like this (note the leading spaces on the continuation lines):

desired_val=10 a.mx.domain.com
  20 b.mx.domain.com
  30 c.mx.domain.com

server

the server to send the request to. If not given, uses the system default.

port

the port on the DNS server to use