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Questions tagged [subdomain]

In the Domain Name System (DNS) hierarchy, a subdomain is a domain that is part of a larger domain.[1]

The Domain Name System has a tree structure or hierarchy, with each node on the tree being a domain name. A subdomain is a domain that is part of a larger domain, the only domain that is not also a subdomain is the root domain.

For example, mail.example.com and calendar.example.com are subdomains of the example.com domain, which in turn is a subdomain of the com top-level domain (TLD).

A "subdomain" expresses relative dependence, not absolute dependence: for example, wikipedia.org comprises a subdomain of the org domain, and en.wikipedia.org comprises a subdomain of the domain wikipedia.org.

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settings up active directory accessible from the internet

For my small company i want to setup a domain controller I want users to be able to access the domain controller from their laptops via the internet. I need the DC for policies & management of users. I'm aware of the consequences of exposing the DC…
koby meir
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AD PDC and SDC domain

We have PDC and SDC on our network. I need clarification if our PDC server fail due to server fault, how to make SDC as acting PDC. What is the purpose of two DC's on same network. If PDC fail SDC will not act as PDC automatically. Pls clarify me i…
Azhar
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How many sub domains should i buy?

There is a domain mywebsite.com and for every user i want a domain like user.mywebsite.com should I buy .mywebsite or .com Should every sub domain for every user be bought? how many sub domains can be added?
sona
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