mail.sbaraildev.com has no NS records.
NS records for this zone are defined at sbaraildev.com.
NS records for this zone are defined at sbaraildev.com.
Question and response
Question
dig mail.sbaraildev.com. NS
Answer
The response has no answer records.
Authority
sbaraildev.com. 1800 SOA danica.ns.cloudflare.com. dns.cloudflare.com. 2395031679 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0