clientspf.backstopsolutions.com has no NS records.
NS records for this zone are defined at backstopsolutions.com.
NS records for this zone are defined at backstopsolutions.com.
Question and response
Question
dig clientspf.backstopsolutions.com. NS
Answer
The response has no answer records.
Authority
backstopsolutions.com. 900 SOA ns100.digicertdns.com. hostmaster.backstopsolutions.com. 2026030300 3600 86400 2419200 604800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0