Question and response
Question
dig free.example.com. KX
Answer
The response has no answer records.
Authority
example.com. 1800 SOA elliott.ns.cloudflare.com. dns.cloudflare.com. 2397268091 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0