db.timenet.it has no NS records.
NS records for this zone are defined at timenet.it.
NS records for this zone are defined at timenet.it.
Question and response
Question
dig db.timenet.it. NS
Answer
The response has no answer records.
Authority
timenet.it. 1800 SOA alex.ns.cloudflare.com. dns.cloudflare.com. 2398618443 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0