dns.esolabella.com has no NS records.
NS records for this zone are defined at esolabella.com.
NS records for this zone are defined at esolabella.com.
Question and response
Question
dig dns.esolabella.com. NS
Answer
The response has no answer records.
Authority
esolabella.com. 3600 SOA dns.esolabella.com. hostmaster.esolabella.com. 1339788755 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0