krystal-hosting.katapult.cloud has no MX records.
Question and response
Question
dig krystal-hosting.katapult.cloud. MX
Answer
The response has no answer records.
Authority
krystal-hosting.katapult.cloud. 60 SOA ns1.katapult.io. dns-admin.katapult.io. 1771248936 28800 7200 604800 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0