302517.senko.network has no MX records.
Question and response
Question
dig 302517.senko.network. MX
Answer
The response has no answer records.
Authority
senko.network. 1800 SOA bart.ns.cloudflare.com. dns.cloudflare.com. 2396653446 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0