ns1.ird.fr has no NS records.
NS records for this zone are defined at ird.fr.
NS records for this zone are defined at ird.fr.
Question and response
Question
dig ns1.ird.fr. NS
Answer
The response has no answer records.
Authority
ird.fr. 3600 SOA censvrns0005.intranet.ird.fr. hostmaster.ird.fr. 2014036845 14400 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0