mail.zomro.net has no NS records.
NS records for this zone are defined at zomro.net.
NS records for this zone are defined at zomro.net.
Question and response
Question
dig mail.zomro.net. NS
Answer
The response has no answer records.
Authority
zomro.net. 1800 SOA bella.ns.cloudflare.com. dns.cloudflare.com. 2396533321 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0