ns1.KAMENSKTEL.RU has no MX records.
Question and response
Question
dig ns1.KAMENSKTEL.RU. MX
Answer
The response has no answer records.
Authority
KAMENSKTEL.RU. 300 SOA ns1.KAMENSKTEL.RU. admin.KAMENSKTEL.RU. 2026020803 14400 3600 604800 300
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0