mail.hoston.com.ua has no NS records.
NS records for this zone are defined at com.ua.
NS records for this zone are defined at com.ua.
Question and response
Question
dig mail.hoston.com.ua. NS
Answer
The response has no answer records.
Authority
com.ua. 1800 SOA ho1.com.ns.ua. dnsmaster.hostmaster.ua. 2008291771 1800 450 1814400 1800
Additional
. 0 OPT ; payload 1400, xrcode 0, version 0, flags 0