mx2.sarkor.com has no NS records.
NS records for this zone are defined at sarkor.com.
NS records for this zone are defined at sarkor.com.
Question and response
Question
dig mx2.sarkor.com. NS
Answer
The response has no answer records.
Authority
sarkor.com. 172800 SOA ns1.sarkor.com. support.sarkor.com. 2023021301 86400 7200 3600000 172800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0