ns4.palmary.net has no MX records.
Question and response
Question
dig ns4.palmary.net. MX
Answer
The response has no answer records.
Authority
palmary.net. 10800 SOA ns.palmary.net. hosting.palmary.com.hk. 1717042256 10800 3600 604800 10800
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0