mx1.messagecube.it has no NS records.
NS records for this zone are defined at messagecube.it.
NS records for this zone are defined at messagecube.it.
Question and response
Question
dig mx1.messagecube.it. NS
Answer
The response has no answer records.
Authority
messagecube.it. 10800 SOA dns10.interbusiness.it. staffdns.telecomitalia.it. 2018051705 86400 7200 2419200 10800
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0