root-e.pknic.PK has no MX records.
Question and response
Question
dig root-e.pknic.PK. MX
Answer
The response has no answer records.
Authority
PK. 14400 SOA pknic.PK. staff.pknic.net.PK. 2026022263 10700 900 1209600 14400
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0