pkl.afrinic.net has no MX records.
Question and response
Question
dig pkl.afrinic.net. MX
Answer
The response has no answer records.
Authority
pkl.afrinic.net. 1800 SOA ns1.afrinic.net. dnsmasters.afrinic.net. 2025090300 1800 1800 1814400 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0