mx1.activenetwork.it has no NS records.
NS records for this zone are defined at activenetwork.it.
NS records for this zone are defined at activenetwork.it.
Question and response
Question
dig mx1.activenetwork.it. NS
Answer
The response has no answer records.
Authority
activenetwork.it. 86400 SOA auth1.activenetwork.it. hostmaster.activenetwork.it. 2026012202 86400 7200 604800 86400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0