Question and response
Question
dig xxxsystem.net. DLV
Answer
The response has no answer records.
Authority
xxxsystem.net. 1800 SOA eva.ns.cloudflare.com. dns.cloudflare.com. 2394575142 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0