mail.ut.serverbox.net has no NS records.
NS records for this zone are defined at ut.serverbox.net.
NS records for this zone are defined at ut.serverbox.net.
Question and response
Question
dig mail.ut.serverbox.net. NS
Answer
The response has no answer records.
Authority
ut.serverbox.net. 86400 SOA ns.dnsbox.net. hostmaster.dnsbox.net. 2022020821 10000 3600 604800 172800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0