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What is a Domain? Complete Guide to Domain Concepts and Selection Methods

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When operating a blog or homepage, you'll frequently encounter the term domain. It's a concept you must understand to create a website. What exactly is a domain?

What is a Domain?​

A domain is an internet address expressed in a character format that's easy for people to remember. While computers use IP addresses made up of numbers (e.g., 192.168.0.1), these are difficult for people to memorize, so they're converted into character formats like www.example.com, which is the domain. The Domain Name System (DNS) automatically handles this conversion.

Characteristics of Domains​

  • Uniqueness: Only one identical domain can exist worldwide. The person who registers it first owns that domain.
  • Hierarchical Structure: Domains have a hierarchical structure consisting of top-level domains (.com, .net, .kr, etc.), second-level domains (example), and subdomains (blog.example.com).
  • Renewal Required: Domains operate on a rental concept rather than purchase, requiring periodic renewal fees. If not renewed, you'll lose the domain.
  • Brand Value: Short and memorable domains increase brand value and stay longer in visitors' memories.

How to Choose a Domain​

  • Keep it Short and Clear: Choose a domain that's as short and memorable as possible. Avoid complex spellings or number combinations.
  • Match Your Brand: Choosing a domain that matches your business or blog name can increase brand recognition.
  • Choose the Right Extension: While .com is most common, consider various extensions like .net, .org, .co.kr depending on your purpose.
  • Include Keywords: If considering SEO, including main keywords in your domain is a good strategy.
  • Check Legal Issues: Verify in advance that there are no trademark or copyright issues.

Domain Examples​

Domains exist in various forms as shown below:

  1. "google.com" - Global company domain
  2. "naver.com" - Domestic portal site
  3. "blog.naver.com" - Subdomain format
  4. "example.co.kr" - Country code domain
  5. "myshop.store" - Using new extensions

Advantages and Disadvantages of Domains​

Advantages​

  • Brand Building: A unique domain increases professionalism and credibility.
  • Easy to Remember: Character-based addresses are much easier to remember than IP addresses.
  • SEO Benefits: Proper domain selection helps with search engine optimization.
  • Email Address Usage: You can create independent email addresses (info@yourdomain.com).

Disadvantages​

  • Cost: Ongoing costs for domain registration and renewal.
  • Availability Issues: Your desired domain may already be registered.
  • Management Required: Technical management needed for expiration dates and DNS settings.

A domain is a crucial element that determines your website's first impression. With careful selection and consistent management, it will greatly help your online business and brand building.

Frequently Asked Questions (FAQ)​

Q: How much does domain registration cost? A: Generally around 10,000-20,000 won per year, varying by extension and registrar.

Q: Are domains and hosting the same thing? A: No. A domain is an address, while hosting is the space where website files are stored. Both are necessary.

Q: Can I change my domain later? A: It's possible, but you should be careful as it can negatively impact SEO rankings and brand recognition.

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