ns4.ragingwire.com has no MX records.
Question and response
Question
dig ns4.ragingwire.com. MX
Answer
The response has no answer records.
Authority
ragingwire.com. 60 SOA ns1.ragingwire.com. dnsadmin.ragingwire.com. 2026021800 3600 1800 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0