mail.dimensione.com has no NS records.
NS records for this zone are defined at dimensione.com.
NS records for this zone are defined at dimensione.com.
Question and response
Question
dig mail.dimensione.com. NS
Answer
The response has no answer records.
Authority
dimensione.com. 1800 SOA leanna.ns.cloudflare.com. dns.cloudflare.com. 2398846383 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0