publicly

So we have another security update for WP within a month of last update... We have a security update release now available for both the 2.1 and 2.0 branches of WordPress now available for immediate download. This update is highly recommend for all users of both branches. These releases...

Hi guys can u tell me what is Dns? how may type of dns server available in internet? what is publicly accessible dns server? can anybody give me the address or name of any publicly accessible domain name server ? please help me?