spf.cloudus.oxcs.net has no NS records.
NS records for this zone are defined at oxcs.net.
NS records for this zone are defined at oxcs.net.
Question and response
Question
dig spf.cloudus.oxcs.net. NS
Answer
The response has no answer records.
Authority
oxcs.net. 300 SOA dns1.easydns.com. zone.easydns.com. 1771523753 3600 600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0