mail.nevtik.com has no NS records.
NS records for this zone are defined at nevtik.com.
NS records for this zone are defined at nevtik.com.
Question and response
Question
dig mail.nevtik.com. NS
Answer
The response has no answer records.
Authority
nevtik.com. 1800 SOA emma.ns.cloudflare.com. dns.cloudflare.com. 2399055131 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0