Domain

Before SNI, each SSL certificate required a dedicated IP. Now, Server Name Indication lets multiple secure websites share a single IP address.

Although the Premium Business Email has a constantly updated spam filter, legitimate messages may occasionally be mistaken for spam! If you find legitimate messages in your spam folder, you can whitelist (or safelist) the address, domain, or IP address so that email will be delivered to your inbox.

If you find that spam from certain senders, domains, or IP addresses is sneaking through the Premium Business Email spam filter, you can create a blacklist to block certain senders from being able to send you email.

When you are using the Cloud Sites platform, a third-party vendor might require an outbound IP address in order to add your domain to their safe list. Because sites do not get a dedicated IP address by default, you must provide the vendor with a list of potential outbound IP addresses. The outbound IP addresses you provide depend on the data center where your site data is stored. To determine which data center your site is in, view the test URL for your site in your Cloud Sites control panel.

FirewallD provides protection by using firewall zones with varying degrees of trust defined in your zone profiles. FirewallD allows for changes to be made without having to restart the entire firewall, though it is important to make sure that the daemon and the firewall in kernel are in sync.

While often confused with a domain name, a hostname is a label used to identify a specific computer or server on a network, like the internet or a LAN.

Common questions and answers relating to domain registration.