_spfa.exchange.accenture.com has no NS records.
NS records for this zone are defined at accenture.com.
NS records for this zone are defined at accenture.com.
Question and response
Question
dig _spfa.exchange.accenture.com. NS
Answer
The response has no answer records.
Authority
accenture.com. 900 SOA amrns1501.accenture.com. dnsadmin.accenture.com. 2029526823 10800 1080 604800 900
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0