rusa.skali.com.my has no MX records.
Question and response
Question
dig rusa.skali.com.my. MX
Answer
The response has no answer records.
Authority
skali.com.my. 600 SOA rusa.skali.com.my. domreg.skali.net. 2024120400 10800 3600 604800 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0