mx1b.mailsecurity.fr has no NS records.
NS records for this zone are defined at mailsecurity.fr.
NS records for this zone are defined at mailsecurity.fr.
Question and response
Question
dig mx1b.mailsecurity.fr. NS
Answer
The response has no answer records.
Authority
mailsecurity.fr. 600 SOA ns1.webaxys.net. hostmaster.webaxys.net. 2024011506 7200 3600 604800 3600
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0