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Domain Glossary

Second-Level Domain

A second-level domain is the part of a domain name that appears directly to the left of the top-level domain (TLD). It is typically the main, customizable part of a website address and is often used to represent a business name, brand, organization, or keyword.

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Examples include

google.com → google is the second-level domain

yourbrand.club→ yourbrand is the second-level domain

openai.wiki → openai is the second-level domain

Why Second-Level Domains Matter

Establish a recognizable brand identity online

Establish a recognizable brand identity online

Support discoverability through relevant naming and keywords

Support discoverability through relevant naming and keywords

Create consistency across websites, marketing channels, and digital assets

Create consistency across websites, marketing channels, and digital assets

Strengthen trust and credibility by aligning a domain with a business or brand name

Strengthen trust and credibility by aligning a domain with a business or brand name

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Domain Glossary.

Every concept you need to understand the domain ecosystem.

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