dns2.cloudunificado.com has no NS records.
NS records for this zone are defined at cloudunificado.com.
NS records for this zone are defined at cloudunificado.com.
Question and response
Question
dig dns2.cloudunificado.com. NS
Answer
The response has no answer records.
Authority
cloudunificado.com. 300 SOA ns-cloud-b1.googledomains.com. cloud-dns-hostmaster.google.com. 1 21600 3600 259200 300
Additional
. 0 OPT ; payload 512, xrcode 0, version 0, flags 0