zimbra.interrenet.fr has no NS records.
NS records for this zone are defined at interrenet.fr.
NS records for this zone are defined at interrenet.fr.
Question and response
Question
dig zimbra.interrenet.fr. NS
Answer
The response has no answer records.
Authority
interrenet.fr. 1800 SOA graham.ns.cloudflare.com. dns.cloudflare.com. 2397032302 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0