Document dq.data (from @Habbie)
* policyCustom: The CNAME content for the `pdns.policyactions.Custom` response, a string
* policyTTL: The TTL in seconds for the `pdns.policyactions.Custom` response
* wantsRPZ - A boolean that indicates the use of the Policy Engine, can be set to `false` in `preresolve` to disable RPZ for this query
+* data - a table that is persistent throughout the lifetime of the `dq` object and can be used to store custom data. All keys and values in the table must be of type `string`.
It also supports the following methods: