mailphp.lws-hosting.com has no MX records.
Question and response
Question
dig mailphp.lws-hosting.com. MX
Answer
The response has no answer records.
Authority
lws-hosting.com. 300 SOA ns1.lwsdns.com. hostmaster.lws-hosting.com. 1772114470 25200 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0