hosting.agincare.com has no MX records.
Question and response
Question
dig hosting.agincare.com. MX
Answer
The response has no answer records.
Authority
agincare.com. 1800 SOA etta.ns.cloudflare.com. dns.cloudflare.com. 2396185710 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0