mail.rph.com has no MX records.
Question and response
Question
dig mail.rph.com. MX
Answer
The response has no answer records.
Authority
rph.com. 600 SOA ns03.gcd-dns.com. dns.jomax.net. 2024012200 28800 7200 604800 600
Additional
. 0 OPT ; payload 1280, xrcode 0, version 0, flags 0