istranet.ru.		30 IN SOA ns3-l2.nic.ru. pogorelkin54.mail.ru. (
				65013610   ; serial
				3600       ; refresh (1 hour)
				3000       ; retry (50 minutes)
				3000       ; expire (50 minutes)
				600        ; minimum (10 minutes)
				)

istranet.ru.		30 IN TXT "v=spf1 ip4:176.62.176.2 ip4:176.62.191.5 ip4:176.62.191.8
ip4:176.62.191.17 ~all"

istranet.ru.		30 IN A	185.13.44.18

Mail exchangers:
istranet.ru.		30 IN MX 10 mail.istranet.ru.
istranet.ru.		30 IN MX 30 mailcow.istranet.ru.

Name servers:
istranet.ru.		30 IN NS ns3-l2.nic.ru.
istranet.ru.		30 IN NS ns4-l2.nic.ru.
istranet.ru.		30 IN NS ns8-l2.nic.ru.
istranet.ru.		30 IN NS ns4-cloud.nic.ru.
istranet.ru.		30 IN NS ns8-cloud.nic.ru.