ns2.atos.fr has no NS records.
NS records for this zone are defined at atos.fr.
NS records for this zone are defined at atos.fr.
Question and response
Question
dig ns2.atos.fr. NS
Answer
The response has no answer records.
Authority
atos.fr. 900 SOA ns1.atos-services.net. ipam.atos.net. 2014011022 900 600 2419200 900
Additional
. 0 OPT ; payload 1220, xrcode 0, version 0, flags 0