node103176230192.ipptr.com has no MX records.
Question and response
Question
dig node103176230192.ipptr.com. MX
Answer
The response has no answer records.
Authority
ipptr.com. 38400 SOA ns1.ipptr.com. san2roy.gmail.com. 1525861377 10800 3600 604800 38400
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0