Having a dedicated domain name is the first step in establishing a personal brand or a corporate online presence. It is not only the address of your website on the internet but also the core of your brand’s identity and credibility. This guide will systematically guide you through the entire process, from conceiving and purchasing a domain name, to configuring its DNS settings, and finally setting up your website successfully. It will help you clearly understand the key steps and precautions for each stage.
Domain Name Basics
Before starting to make a purchase, it is essential to understand the basic composition and working principles of domain names. A complete domain name consists of several parts, such as “www.example.com”. The “.com” at the very right is called the top-level domain (TLD); it indicates the category or country/region of the domain name. The “example” to its immediate left is the second-level domain, which is the core part that users can register and customize on their own, and usually represents the brand or name of the website. The “www” on the far left is the third-level domain, also known as a subdomain; users can create these as needed, for example, “blog.example.com” or “shop.example.com”.
The Domain Name System (DNS) is essentially a globally distributed, massive “telephone book” that translates human-readable domain names (such as example.com) into IP addresses (such as 192.0.2.1) that computers use for communication with each other. This process is known as “domain name resolution.” When you enter a website address in your browser, your computer sends a request to a DNS server. Through a series of queries, the computer eventually obtains the IP address of the target server, which allows the connection to be established. Understanding this principle is helpful for configuring resolution records later on.
Recommended Reading Domain Name Resolution and Configuration Tutorial: How to Buy, Set Up, and Manage Your Website Domain。
How to choose a good domain name
Choosing a suitable domain name is half the battle towards success. An ideal domain name should be short, easy to remember, and easy to spell and pronounce; it would also be best if it reflects the content of the website or the brand. Try to avoid using hyphens, numbers, or letter combinations that are easily confused. It’s also important to consider the domain name’s extension. Generic top-level domains (TLDs) such as .com, .net, and .org are the most well-known and suitable for a wide range of websites, while some newer TLDs like .io (for technology) and .app (for applications) have more specific industry associations.
Domain Name Registration and Purchase Process
After selecting the desired domain name, the next step is to purchase it through a domain name registrar. There are many reliable registrars both globally and domestically, which offer services for domain name lookup, registration, and management. When choosing a registrar, it is important to consider factors such as pricing, the user-friendlyness of their interface, the quality of their DNS management capabilities, and the level of customer service provided.
The registration process is usually quite simple: enter the desired domain name in the search bar on the registrar’s website, and the system will display its availability as well as the prices for the relevant domain extensions. If the domain name is already registered by someone else, the registrar will typically provide alternative suggestions. After selecting an available domain name and adding it to your shopping cart, you need to create an account and fill in the registrant’s information. It is essential to provide accurate and truthful information, as this serves as the legal basis for ownership of the domain name.
Domain Name Registration Information and Management
After completing the purchase, you will have the right to use the domain name for a specified period of time. Make sure to keep the registrar account information safe and understand how to access the domain name management panel. In the management panel, you can renew the domain name, update contact information, set up domain name privacy (to hide your personal information from public WHOIS queries), and, most importantly, manage the DNS resolution settings. It is recommended to enable automatic renewal to prevent the domain name from expiring and being registered by someone else due to forgetfulness.
Configure DNS records
After purchasing a domain name, it is just a “name” that needs to be pointed to the server (hosting space) where the website files are stored in order to be accessible. The process of making this connection is called configuring DNS resolution. You need to add the appropriate resolution records in the management panel provided by your domain registrar or a third-party DNS service provider.
Recommended Reading Domain Name Resolution and Configuration Guide: The Complete Process from Purchase to Deployment。
The most common types of DNS records are A records and CNAME records. An A record is used to directly map a domain name or subdomain to an IPv4 address. For example, you can use an A record to point both “@” (which represents the root domain example.com) and “www” to the IP address of your server. A CNAME record, on the other hand, is used to map a domain name or subdomain to another domain name, rather than an IP address. It is often used to point to third-party services; for instance, you can use a CNAME record to point “blog.example.com” to the address of a professional blogging platform where the blog is hosted.
Analysis and Testing
After adding or modifying a DNS record, global DNS servers need time to synchronize and update the information. This process is known as “propagation” and typically takes anywhere from a few minutes to 48 hours. You can use online “DNS propagation check” tools to verify whether the resolution of your domain name has been updated correctly on DNS servers around the world. Additionally, you can use command-line tools on your local computer (such as those available for Windows) to monitor the propagation process.nslookupor for macOS/LinuxdigBy querying a domain name, you can verify whether the resolution points to the expected IP address.
Associate the domain name with the website hosting service.
Once the DNS resolution is correctly set up to point to your website hosting server, the final step is to perform the binding process on the server side. If you are using a virtual host, you will typically need to find the “Domain” or “Additional Domains” option in the hosting control panel (such as cPanel), add your domain name, and specify the directory where your website files will be stored.
For users using cloud servers or VPSs, it is necessary to create a server block (or virtual host) in the configuration file of the web server software (such as Nginx or Apache). This block should explicitly specify that the configuration file is responsible for listening for requests coming from your domain name and should direct those requests to the correct website root directory. After completing the server configuration, restart the web service to apply the changes.
Installing an SSL certificate to enable HTTPS
在今天，为网站部署SSL证书以实现HTTPS加密访问已成为标准配置和安全必备。它不仅能保护数据传输安全，也是搜索引擎排名和浏览器信任的积极因素。许多托管服务商和云平台都提供免费的SSL证书（如Let’s Encrypt）一键申请和自动续期服务。在域名解析正确且网站服务运行后，应尽快配置SSL证书。
summarize
From purchasing a domain name to launching a website, there is a series of interconnecting steps. First, you need to select and register a domain name based on brand identity and ease of memorization. Next, use the DNS resolution management panel to point the domain name to the IP address of the website server. Finally, on the server side, complete the domain name binding and website configuration. Each step requires careful attention and verification using appropriate tools. By mastering these essential skills, you will be able to manage your online assets independently, laying a solid foundation for any online project you undertake.
Recommended Reading Domain Name Resolution and Configuration Practical Guide: The Complete Process from Registration to Go-Live。
FAQ Frequently Asked Questions
Can the domain name be used immediately after registration?
Once the domain name is successfully registered, you can start configuring DNS resolution. However, it takes some time for the configuration to take effect globally (i.e., for the DNS changes to be propagated across the internet), usually several hours. During this period, the speed at which users in different regions access the website may vary.
What does the TTL value in a DNS resolution record mean?
TTL stands for “Time To Live” and is measured in seconds. It determines how long DNS records are stored on various cache servers. Setting a shorter TTL (e.g., 300 seconds) makes record changes take effect more quickly, but it increases the load on the DNS system due to more frequent queries. Conversely, a longer TTL (e.g., 86,400 seconds) reduces the number of queries, but the propagation of changes is slower. Before making any changes to the DNS settings, you can temporarily reduce the TTL value to speed up the implementation of the changes.
Do the domain name and the hosting service have to be purchased from the same company?
There's absolutely no need for that. Domain name registration and website hosting services are separate. You can register a domain name with Company A and then purchase hosting from Company B. All you need to do is point the DNS server of the domain name to the hosting IP address provided by Company B. This separation gives users more flexibility and choices.
Why does the message “Not registered with the authorities” or “Connection refused” appear when accessing a website?
If your server is located in the Chinese mainland, according to local laws and regulations, the website must complete the ICP (Internet Content Provider) registration process before it can be launched. Once the domain name is pointed to a domestic server and the registration has not been completed, the internet service provider will block access to the website. You will need to submit the registration application through your server provider. If the server is located overseas, the issue may be caused by a malfunction in the server's firewall or an error in the website's software configuration.
What's next, what's next?
Extended reading and practical knowledge
The following are related to the topic of this article and are suitable for further in-depth reading. Prioritize starting with the article that is closest to your current problem, and gradually expanding to surrounding topics usually works better.
- A Comprehensive Guide to VPS Hosting: Building a Website from Scratch and Easily Achieving Business Growth
- Essential Tips for WooCommerce Beginners: Building Your Own E-commerce Platform from Scratch
- What is a domain name? From beginner to expert: A detailed explanation of how it works, the registration process, and management tips.
- How to choose the right first WordPress theme for you
- WordPress Website Building Guide: A Comprehensive Tutorial for Creating Professional Websites from Scratch
English