agents40.ru.		30 IN SOA server0.changeme.com. root.example.com. (
				2017010200 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				86400      ; minimum (1 day)
				)

agents40.ru.		30 IN TXT "v=spf1 ip4:138.201.27.19 a mx ~all"

agents40.ru.		30 IN A	138.201.27.19
agents40.ru.		30 IN AAAA 2a01:4f8:171:2e92::2

Mail exchangers:
agents40.ru.		30 IN MX 10 mail.agents40.ru.
agents40.ru.		30 IN MX 20 mail.agents40.ru.

Name servers:
agents40.ru.		30 IN NS ns1.example.com.
agents40.ru.		30 IN NS ns2.example.com.