dns.behance.it.com has no NS records.
NS records for this zone are defined at it.com.
NS records for this zone are defined at it.com.
Question and response
Question
dig dns.behance.it.com. NS
Answer
The response has no answer records.
Authority
behance.it.com. 3530 SOA dns.behance.it.com. hostmaster.behance.it.com. 1280540370 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0