ns4.npix.net.np has no MX records.
Question and response
Question
dig ns4.npix.net.np. MX
Answer
The response has no answer records.
Authority
npix.net.np. 3600 SOA ns.npix.net.np. hostmaster.npix.net.np. 2025031701 28800 14400 3600000 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0