mail.admabe.org has no NS records.
NS records for this zone are defined at admabe.org.
NS records for this zone are defined at admabe.org.
Question and response
Question
dig mail.admabe.org. NS
Answer
The response has no answer records.
Authority
admabe.org. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1773090695 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0