_spf2.envie.email has no NS records.
NS records for this zone are defined at envie.email.
NS records for this zone are defined at envie.email.
Question and response
Question
dig _spf2.envie.email. NS
Answer
The response has no answer records.
Authority
envie.email. 1800 SOA kim.ns.cloudflare.com. dns.cloudflare.com. 2397599076 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0