2v3.su.			30 IN SOA dns1.yandex.net. dns-hosting.yandex.ru. (
				67         ; serial
				900        ; refresh (15 minutes)
				90         ; retry (1 minute 30 seconds)
				86400      ; expire (1 day)
				900        ; minimum (15 minutes)
				)

2v3.su.			30 IN TXT "v=spf1 +a +mx +ip4:74.220.207.197 ?all"

2v3.su.			30 IN A	159.253.22.121

Mail exchangers:
2v3.su.			30 IN MX 10 mx.yandex.net.

Name servers:
2v3.su.			30 IN NS dns1.yandex.net.
2v3.su.			30 IN NS dns2.yandex.net.