- ["requests", None, "incremental"], ["responses", None, "incremental"],
- ["success", None, "incremental"], ["auth_answer", None, "incremental"],
- ["nonauth_answer", None, "incremental"], ["nxrrset", None, "incremental"],
- ["failure", None, "incremental"], ["nxdomain", None, "incremental"],
- ["recursion", None, "incremental"], ["duplicate", None, "incremental"],
- ["rejections", None, "incremental"]