How does a domain name work
How does a domain name work?
There are several conditions that are required for a domain name to be properly registered and accessible from the Internet:
The domain name has to be assigned to an IP address.
The domain name has to be registered with the Name Servers that "know" what IP address this domain name resolves to.
The domain name has to be registered with the appropriate Network Information Center (NIC) or Domain Authoritiy
that keeps the database record of the domain ownership and the Name Servers that maintain the domain's IP record.
When a browser requests a connection to a certain domain (URL)
DNS servers look up the corresponding Registry for the requested top-level domain.
The Registry then responds by telling which Name Servers this domain name is registered with.
The request then goes to the Name Servers per the Registry's reply and the Name Servers respond
with the actual IP address for that domain name. Then the browser establishes a connection with the reported IP address.
It is imperative that the Name Servers listed in the domain record are configured to answer questions about the domain name and resolve the name to various addresses in different contexts. Otherwise, the domain name will not work.