Проблема с DNS

Google Webmaster иногда показывает для некоторых единичных страниц - Проблема с DNS недоступно

Проверил сайт на http://dnsstuff.fastnext.ru/index.php в DNSreport

Вышло следующее: Дело плохо да?:)

WARN No NS A records at nameservers WARNING. Your nameservers do not include corresponding A records when asked for your NS records. This ensures that your DNS servers know the A records corresponding to all your NS records.

SOA -

WARN SOA RETRY value WARNING. Your SOA RETRY interval is: 10800 seconds. The normal interval is about 120-7200 seconds. The retry value is the amount of time your secondary/slave nameservers will wait to contact the master nameserver again if the last attempt failed.

WARN SOA EXPIRE value WARNING. Your SOA EXPIRE time: 604800 seconds. The normal interval is about 1209600-2419200 seconds (2-4 weeks). This is how long a secondary/slave nameserver will wait before considering its DNS data stale if it can't reach the primary nameserver.

WARN SOA MINIMUM TTL value WARNING. Your SOA MINIMUM TTL is: 1800 seconds. The normal interval is about 3600-10800 seconds (1-3 hours). This value used to determine the default (technically, minimum) TTL (time-to-live) for DNS entries, but now is used for negative caching.

FAILED Multiple MX records FAILED. You do not have multiple MX records. This means that if one is down or unreachable, the other(s) will be able to accept mail for you.

FAILED Mail server host name in greeting FAILED. Not all of your mailservers have their host name in the greeting: