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Editorial Team
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Asked: 2026-05-14T15:15:51+00:00

In visiting http://to./ you are given a legitimate website. Is to. a valid domain

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In visiting http://to./ you are given a legitimate website.

Is to. a valid domain name then, despite not ending with a TLD and having a superfluous period? Why?

Being valid, what would its DNS hierarchy be?

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1 Answer

  1. Editorial Team

    The final dot is part of the fully qualified domain name. More information in this article. Specifically:

    It’s a little-known fact, but fully-qualified (unambiguous) DNS domain names have a dot at the end. People running DNS servers usually know this (if you miss the trailing dots out, your DNS configuration is unlikely to work) but the general public usually doesn’t. A domain name that doesn’t have a dot at the end is not fully-qualified and is potentially ambiguous.

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