Ah, thanks for pointing it out. I didn't know about the &log attribute

On Fri 25 Jan, 2019, 22:15 Jon Siwek, <jsiwek@corelight.com> wrote:
On Fri, Jan 25, 2019 at 2:36 AM Dheeraj Gupta <dheeraj.gupta4@gmail.com> wrote:

> The fields logged in DNS logs are different from the ones shown in official docs (DNS::Info seen at https://docs.zeek.org/en/stable/scripts/base/protocols/dns/main.bro.html#type-DNS::Info). Concretely, the last four fields (total_answers, total_queries, saw_query and saw_reply) fields are never part of the logs.

The logs contain only fields with the &log attribute.  Those fields do
not have &log, so they are not in the logs.

- Jon