s2.wallstreetidea.com has no MX records.
Question and response
Question
dig s2.wallstreetidea.com. MX
Answer
The response has no answer records.
Authority
wallstreetidea.com. 180 SOA ns1.wallstreetidea.com. root.wallstreetidea.com. 2025112323 7200 3600 1209600 180
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0