ns2-beta.peak.org has no MX records.
Question and response
Question
dig ns2-beta.peak.org. MX
Answer
The response has no answer records.
Authority
peak.org. 300 SOA ns1.peak.org. hostmaster.peak.org. 2026022201 300 900 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0