o1.ptr8933.partoo.fr has no NS records.
NS records for this zone are defined at partoo.fr.
NS records for this zone are defined at partoo.fr.
Question and response
Question
dig o1.ptr8933.partoo.fr. NS
Answer
The response has no answer records.
Authority
partoo.fr. 900 SOA ns-272.awsdns-34.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0