optim-t.ru.		30 IN SOA ns.hostland.ru. support.hostland.ru. (
				100000000  ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				300        ; minimum (5 minutes)
				)

optim-t.ru.		30 IN TXT "mailru-domain: SKHa7W53YRJX8LmB"
optim-t.ru.		30 IN TXT "v=spf1 ip4:185.26.122.0/22 a mx include:_spf.mail.ru
~all"

optim-t.ru.		30 IN A	185.26.122.75

Mail exchangers:
optim-t.ru.		30 IN MX 10 emx.mail.ru.

Name servers:
optim-t.ru.		30 IN NS ns.hostland.ru.
optim-t.ru.		30 IN NS ns3.hostland.ru.