informsystema.ru.	30 IN SOA nsb3.chooseme.ru. hostmaster.informsystema.ru. (
				2025102301 ; serial
				10800      ; refresh (3 hours)
				3600       ; retry (1 hour)
				604800     ; expire (1 week)
				3600       ; minimum (1 hour)
				)

informsystema.ru.	30 IN TXT "v=spf1 a mx ip4:213.171.59.122 ip4:95.213.149.118
include:mail.informsystema.ru -all"

informsystema.ru.	30 IN A	213.171.59.122

Mail exchangers:
informsystema.ru.	30 IN MX 10 mail.informsystema.ru.

Name servers:
informsystema.ru.	30 IN NS nsb3.chooseme.ru.
informsystema.ru.	30 IN NS nsb2.chooseme.ru.