Next are third-level domains, which are written immediately to the left of a second-level domain. There can be fourth- and fifth-level domains, and so on, with virtually no limitation. An example of an operational domain name with four levels of domain labels is sos.state.oh.us. Each label is separated by a full stop (dot). 'sos' is said to be a sub-domain of 'state.oh.us', and 'state' a sub-domain of 'oh.us', etc. In general, subdomains are domains subordinate to their parent domain. An example of very deep levels of subdomain ordering are the IPv6 reverse resolution DNS zones, e.g., 1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.ip6.arpa, which is the reverse DNS resolution domain name for the IP address of a loopback interface, or the localhost name.
Yet if you are looking for a good quality web hosting service for a solid website or something to learn and grow with, you’d be much better off choosing a proper paid web hosting service. Best web hosting providers are perfect tools for actual professionals. However, free web hosting still has a lot of great uses. One of them is helping people to learn.
Think of the name you want to register. The answer is typically your company or website name. It is best to keep your domain name short and easy to understand. Say it out loud, and make sure it sounds great. Next, search to see if it is available. If the name you desire is taken with the .com top-level domain, there are hundreds of others available. Finally, add the top choices to your cart and complete the domain registration.

Web hosting services, on the other hand, run servers that are typically assigned only one or a few addresses while serving websites for many domains, a technique referred to as virtual web hosting. Such IP address overloading requires that each request identifies the domain name being referenced, for instance by using the HTTP request header field Host:, or Server Name Indication.
People use websites for all kinds of things, and exactly what you want to do will dictate what kind of web hosting you need. In addition to the types of web hosting we covered in the previous section, which can generally be used for many different types of websites, there are specialty options that cater to a specific subset of users. We will cover these options below.
A domain name consists of one or more labels, each of which is formed from the set of ASCII letters, digits, and hyphens (a-z, A-Z, 0-9, -), but not starting or ending with a hyphen. The labels are case-insensitive; for example, 'label' is equivalent to 'Label' or 'LABEL'. In the textual representation of a domain name, the labels are separated by a full stop (period).
Beyond that, Dreamhost is a 5-of-5 hosting company for many reasons. They operate their own control panel, which is convenient and easy to understand. While phone support isn't available 24-7, they are responsive to chat and tickets. The company uses superfast SSDs for all their storage, has a free SSL certificate (for more secured web browsing), and provides SSH access for those plans that are intended for more technical users.
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