customsexpert.ru.	30 IN SOA ns1.reg.ru. hostmaster.ns1.reg.ru. (
				1733929927 ; serial
				14400      ; refresh (4 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				10800      ; minimum (3 hours)
				)

customsexpert.ru.	30 IN TXT "v=spf1 ip4:31.31.196.171 a mx include:_spf.yandex.net
include:_spf.hosting.reg.ru include:spf.unisender.com include:spf.smtp.bz ~all"

customsexpert.ru.	30 IN A	185.215.4.33

Mail exchangers:
customsexpert.ru.	30 IN MX 10 mx1.hosting.reg.ru.
customsexpert.ru.	30 IN MX 20 mx2.hosting.reg.ru.

Name servers:
customsexpert.ru.	30 IN NS ns1.reg.ru.
customsexpert.ru.	30 IN NS ns2.reg.ru.