دوستان این ایمیل برام از گوگل اومده :
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http://p30master.com/: Googlebot can't access your site
Over the last 24 hours, Googlebot encountered 60 errors while
attempting to retrieve DNS information for your site. The overall
error rate for DNS queries for your site is 88.2%.
You can see more details about these errors in Webmaster Tools.
Recommended action
If the site error rate is 100%:
Use a WHOIS tool to verify that http://p30master.com/ has a proper
whois record and that nameservers are configured for the site. If not,
contact your domain registrar to update your whois records.
Using a DNS lookup tool, verify that the nameserver's name can be
resolved to an IP address. If not, either update your whois record to
contain an IP address for your nameserver, or update the DNS records
for nameserver.
Using a DNS lookup tool, verify that http://p30master.com/ can be
resolved to an IP address. If it can't, update the DNS record for
http://p30master.com/ on your nameserver.
If the site error rate is less than 100%:
The most likely explanation is that your nameserver is overloaded.
Contact your hosting provider and discuss the configuration of your
DNS server and the possibility of allocating more resources to your
DNS service.
If your site redirects to another hostname, another possible
explanation is that a URL on your site is redirecting to a hostname
that has a DNS problem. Consider checking the links to which your site
redirects and make sure that the sites in your redirect links don't
have any DNS issues.
After you think you've fixed the problem, use Fetch as Google to
verify that Googlebot can properly access your site.
Learn more in our Help Center.
Got feedback? Leave it here. Be sure to include this message ID: [WMT-94049]
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