spf.cashedge.com has no NS records.
NS records for this zone are defined at cashedge.com.
NS records for this zone are defined at cashedge.com.
Question and response
Question
dig spf.cashedge.com. NS
Answer
The response has no answer records.
Authority
cashedge.com. 300 SOA dns2.p07.nsone.net. domainadmin.firstdata.com. 763100760 1200 180 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0