What action does a DNS server take if it does not have an entry for a requested URL?

What action does a DNS server take if it does not have an entry for a requested URL?

  • The server checks with another DNS server to see if it has an entry.
  • The server drops the request.
  • The server assigns a temporary IP address to the name and sends this IP address to the client.
  • The server returns a “page not found” response to the client.

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