s12345.ru.		899 IN SOA dns1.yandex.net. dns-hosting.yandex.ru. (
				5          ; serial
				900        ; refresh (15 minutes)
				90         ; retry (1 minute 30 seconds)
				86400      ; expire (1 day)
				900        ; minimum (15 minutes)
				)

s12345.ru.		21599 IN TXT "v=spf1 redirect=_spf.yandex.net"

Mail exchangers:
s12345.ru.		21599 IN MX 10 mx.yandex.net.

Name servers:
s12345.ru.		899 IN NS dns1.yandex.net.
s12345.ru.		899 IN NS dns2.yandex.net.