_spf.mymagenta.business has no NS records.
NS records for this zone are defined at mymagenta.business.
NS records for this zone are defined at mymagenta.business.
Question and response
Question
dig _spf.mymagenta.business. NS
Answer
The response has no answer records.
Authority
mymagenta.business. 3600 SOA ns1.t-mobile.at. webmaster.magenta.at. 2020070102 3600 600 1209600 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0