_spf.groupe-cyllene.com has no NS records.
NS records for this zone are defined at groupe-cyllene.com.
NS records for this zone are defined at groupe-cyllene.com.
Question and response
Question
dig _spf.groupe-cyllene.com. NS
Answer
The response has no answer records.
Authority
groupe-cyllene.com. 3600 SOA ns1.cetsi.fr. postmaster.cetsi.fr. 2017092006 1200 300 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0