smtp.samsung.kh.ua has no NS records.
NS records for this zone are defined at samsung.kh.ua.
NS records for this zone are defined at samsung.kh.ua.
Question and response
Question
dig smtp.samsung.kh.ua. NS
Answer
The response has no answer records.
Authority
samsung.kh.ua. 300 SOA ns2.tuthost.com. hostmaster.tuthost.com. 2024092401 300 3600 1209600 86400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0