ksc-rostov.ru.		30 IN SOA h8dns.net. root.h8dns.net. (
				2022110300 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

ksc-rostov.ru.		30 IN TXT "v=spf1 ip4:193.164.17.17 ip4:193.164.17.17 a mx ~all"

ksc-rostov.ru.		30 IN A	193.164.17.17

Mail exchangers:
ksc-rostov.ru.		30 IN MX 10 mail.ksc-rostov.ru.
ksc-rostov.ru.		30 IN MX 20 mail.ksc-rostov.ru.

Name servers:
ksc-rostov.ru.		30 IN NS ns1.h8dns.net.
ksc-rostov.ru.		30 IN NS ns2.h8dns.net.