spfva.brightidea.com has no NS records.
NS records for this zone are defined at brightidea.com.
NS records for this zone are defined at brightidea.com.
Question and response
Question
dig spfva.brightidea.com. NS
Answer
The response has no answer records.
Authority
brightidea.com. 900 SOA ns-647.awsdns-16.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0