ns1.siteground.net has no MX records.
Question and response
Question
dig ns1.siteground.net. MX
Answer
The response has no answer records.
Authority
siteground.net. 3600 SOA ns1.siteground.net. msi200.msi200.com. 2021032251 3600 7200 86400 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0