dns2.ubunet.es has no NS records.
NS records for this zone are defined at ubunet.es.
NS records for this zone are defined at ubunet.es.
Question and response
Question
dig dns2.ubunet.es. NS
Answer
The response has no answer records.
Authority
ubunet.es. 300 SOA dns19.ovh.net. tech.ovh.net. 2026021900 86400 3600 3600000 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0