mail.kiffb.org has no NS records.
NS records for this zone are defined at kiffb.org.
NS records for this zone are defined at kiffb.org.
Question and response
Question
dig mail.kiffb.org. NS
Answer
The response has no answer records.
Authority
kiffb.org. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1774190714 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0