ID 7, resource record set should not exist

- `Anything`
  - `Object`
    - `Basic` ...and other supertypes
      - `DnsResponseCode`
        - `yxrrset`

- `yxrrset`
  - `DnsResponseCode`
    - `Basic`
      - `Identifiable`
      - `Object`
        - `Anything`

no subtypes hierarchy

Inherited Attributes
Attributes inherited from: `DnsResponseCode` `name`
Attributes inherited from: `Object` `hash`, `string`

Inherited Methods
Methods inherited from: `Object` `equals`