dnsext-1.monext.fr has no NS records.
NS records for this zone are defined at monext.fr.
NS records for this zone are defined at monext.fr.
Question and response
Question
dig dnsext-1.monext.fr. NS
Answer
The response has no answer records.
Authority
monext.fr. 60 SOA dnsext-1.monext.fr. postmaster.monext.fr. 2026021801 300 180 1209600 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0