mx20.ukraine.com.ua has no NS records.
NS records for this zone are defined at ukraine.com.ua.
NS records for this zone are defined at ukraine.com.ua.
Question and response
Question
dig mx20.ukraine.com.ua. NS
Answer
The response has no answer records.
Authority
ukraine.com.ua. 60 SOA ns1.ukraine.com.ua. hostmaster.adm.tools. 2026030616 43200 7200 604800 60
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0