Max Domain Name Limit

Just for reference: [Copied from Pro Webmasters]

  • 253 characters is the maximum length of full domain name, including dots: for e.g. www.example.com = 15 characters.
  • 63 characters in the maximum length of a “label” (part of domain name separated by dot). Labels for www.example.com are com, example and www.

Example of the domain with longest possible label (it’s a fully working website):

http://www.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.com/
The domain name length = 71 characters.

Example of longest domain name:

abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcde.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.com

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Author: Makarand Thengdi

Director of Engineering, DevOps, and Releases at LeadSquared, with over a decade of experience in leading engineering and DevOps transformations for high-growth companies. Passionate about optimizing software delivery pipelines, cloud infrastructure, and security compliance. In this blog, I share my learnings and insights on DevOps, cloud technologies, and modern software engineering, reflecting my journey from code to cloud.

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