ca05psmtpfs.brightspace.com has no NS records.
NS records for this zone are defined at brightspace.com.
NS records for this zone are defined at brightspace.com.
Question and response
Question
dig ca05psmtpfs.brightspace.com. NS
Answer
The response has no answer records.
Authority
brightspace.com. 900 SOA ns-108.awsdns-13.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0