semalt.ru. 21600 IN A 62.109.1.41 semalt.ru. 900 IN NS dns1.yandex.net. semalt.ru. 900 IN NS dns2.yandex.net. semalt.ru. 900 IN SOA dns1.yandex.net. dns-hosting.yandex.ru. ( 18 ; serial 900 ; refresh (15 minutes) 90 ; retry (1 minute 30 seconds) 86400 ; expire (1 day) 900 ; minimum (15 minutes) ) semalt.ru. 21600 IN MX 10 mx.yandex.net. semalt.ru. 21600 IN TXT "v=spf1 redirect=_spf.yandex.ru"