mx.dvdkenya.com has no NS records.
NS records for this zone are defined at dvdkenya.com.
NS records for this zone are defined at dvdkenya.com.
Question and response
Question
dig mx.dvdkenya.com. NS
Answer
The response has no answer records.
Authority
dvdkenya.com. 3600 SOA dns.dvdkenya.com. hostmaster.dvdkenya.com. 1544635609 43200 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0