_spf-ipv4.neicon.ru has no MX records.
Question and response
Question
dig _spf-ipv4.neicon.ru. MX
Answer
The response has no answer records.
Authority
neicon.ru. 3600 SOA ns1.dns2b.ru. hostmaster.neicon.ru. 2026030502 10800 3600 2419200 3600
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0