mublog.ru.		3600 IN	SOA isp01.eternalhost.net. support.eternalhost.net. (
				2018122710 ; serial
				3600       ; refresh (1 hour)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

mublog.ru.		3600 IN	TXT "v=spf1 ip4:194.61.0.3 a mx ~all"

mublog.ru.		3600 IN	A 194.61.0.3

Mail exchangers:
mublog.ru.		3600 IN	MX 10 mail.mublog.ru.
mublog.ru.		3600 IN	MX 20 mail.mublog.ru.

Name servers:
mublog.ru.		3600 IN	NS ns1.eternalhost.net.
mublog.ru.		3600 IN	NS ns2.eternalhost.net.