sp.mlchf.it has no NS records.
NS records for this zone are defined at mlchf.it.
NS records for this zone are defined at mlchf.it.
Question and response
Question
dig sp.mlchf.it. NS
Answer
The response has no answer records.
Authority
mlchf.it. 300 SOA ns-cloud-a1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0