foundationapi.com has no MX records.
Question and response
Question
dig foundationapi.com. MX
Answer
The response has no answer records.
Authority
foundationapi.com. 1800 SOA andy.ns.cloudflare.com. dns.cloudflare.com. 2396694256 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0