ns-he.KOLO.NET has no MX records.
Question and response
Question
dig ns-he.KOLO.NET. MX
Answer
The response has no answer records.
Authority
KOLO.NET. 300 SOA ns.KOLO.NET. hostmaster.KOLO.NET. 2025120801 5400 900 1209600 300
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0