_spf0.ingenico.com has no NS records.
NS records for this zone are defined at ingenico.com.
NS records for this zone are defined at ingenico.com.
Question and response
Question
dig _spf0.ingenico.com. NS
Answer
The response has no answer records.
Authority
ingenico.com. 60 SOA dns1.p05.nsone.net. hostmaster.nsone.net. 1655811587 7200 1800 2419200 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0