kertzmann.azipra.info has no NS records.
NS records for this zone are defined at azipra.info.
NS records for this zone are defined at azipra.info.
Question and response
Question
dig kertzmann.azipra.info. NS
Answer
The response has no answer records.
Authority
azipra.info. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773673466 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0