smtp1.liquidanalytix.com has no MX records.
Question and response
Question
dig smtp1.liquidanalytix.com. MX
Answer
The response has no answer records.
Authority
liquidanalytix.com. 3600 SOA NS37.WORLDNIC.com. namehost.WORLDNIC.com. 125121806 10800 3600 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0