postfix.technomedia.fr has no NS records.
NS records for this zone are defined at technomedia.fr.
NS records for this zone are defined at technomedia.fr.
Question and response
Question
dig postfix.technomedia.fr. NS
Answer
The response has no answer records.
Authority
technomedia.fr. 180 SOA ns0.dnsmadeeasy.com. dns.dnsmadeeasy.com. 2008010245 43200 3600 1209600 180
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0