Question

what is domain extension?
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Answer 1

Answer:

Domain name extensions are the last part of a domain name. For example, in the domain name extension is. You'll also see domain name extensions referred to as top-level domains ). These terms will be used interchangeably throughout the post.A domain extension is the combination of characters following the period in a web address.

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Answer 2

Answer:

A domain name is an identification string that defines a realm of administrative autonomy, authority or control within the Internet. Domain names are used in various networking contexts and for application-specific naming and addressing purposes