mail.retesesa.it has no NS records.
NS records for this zone are defined at retesesa.it.
NS records for this zone are defined at retesesa.it.
Question and response
Question
dig mail.retesesa.it. NS
Answer
The response has no answer records.
Authority
retesesa.it. 1800 SOA connie.ns.cloudflare.com. dns.cloudflare.com. 2398696758 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0