How the Domain Name System Works - URI- URN - URL - URC

if you own or want to own a domain name,  you must understand how the Domain Name System works, including the purpose/rules of TLDs, URI, URN, URC and URL

URL, URI, URN: What's the Difference?

Understanding the Differences between URL, URI and URN

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URL And URN - Understanding The Key Difference

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How the Domain Name System Works - URI- URN - URL - URC

The difference between URI, URL and URN