ns1.pointerns.com has no MX records.
Question and response
Question
dig ns1.pointerns.com. MX
Answer
The response has no answer records.
Authority
pointerns.com. 300 SOA ns1.pointerns.com. hostmaster.pointerns.com. 2020072402 86400 7200 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0