hackett.fai.us.com has no NS records.
NS records for this zone are defined at fai.us.com.
NS records for this zone are defined at fai.us.com.
Question and response
Question
dig hackett.fai.us.com. NS
Answer
The response has no answer records.
Authority
fai.us.com. 3601 SOA dns1.registrar-servers.com. hostmaster.registrar-servers.com. 1774428315 43200 3600 604800 3601
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0