Your example ac.jp is a valid domain, but not an IP resolvable domain. So I would suggest a whois server. You would need to keep a number of whois servers if you want to check all domains. If you only do Japan then the below snippet should workâ˘. import org.apache.commons.net.whois.*; public class Main { public … Read more
I cannot fully answer the SEO parts of this question. But as far as I know, it is no good idea to list a page with different domains at Google. Beside this, subdomains are not made for this purpose. At least I like addresses like http://pastry.com/cake much more than your examples. The technical answer: You … Read more
kris wallsmith published something in the symfony blog, about subdomain routing in sf1.2. maybe this helps you: http://symfony.com/blog/call-the-expert-adding-subdomain-requirements-to-routing-yml solved dynamic subdomains in Symfony 1.4
From the spec 10.3.2 301 Moved Permanently The requested resource has been assigned a new permanent URI and any future references to this resource SHOULD use one of the returned URIs. Clients with link editing capabilities ought to automatically re-link references to the Request-URI to one or more of the new references returned by the … Read more