![]() ![]() The DNS resolver for the ISP chooses an Amazon Route 53 name server and forwards the request for to that name server.com domains responds to the request with the names of the four Amazon Route 53 name servers that are associated with the domain. The DNS resolver for the ISP forwards the request for again, this time to one of the TLD name servers for.The DNS resolver for the ISP forwards the request for to a DNS root name server. ![]() The request for is routed to a DNS resolver, which is typically managed by the user's Internet service provider (ISP), such as a cable Internet provider, a DSL broadband provider, or a corporate network.A user opens a web browser, enters in the address bar, and presses Enter.If not, it passes the query to one or more authoritative DNS servers to find the information. If a recursive DNS has the DNS reference cached, or stored for a period of time, then it answers the DNS query by providing the source or IP information. ![]() A recursive DNS service acts like a hotel concierge: while it doesn't own any DNS records, it acts as an intermediary who can get the DNS information on your behalf. Instead, they generally connect to another type of DNS service known a resolver, or a recursive DNS service. Recursive DNS: Clients typically do not make queries directly to authoritative DNS services. Amazon Route 53 is an authoritative DNS system. Authoritative DNS has the final authority over a domain and is responsible for providing answers to recursive DNS servers with the IP address information. It then answers DNS queries, translating domain names into IP address so computers can communicate with each other. Authoritative DNS: An authoritative DNS service provides an update mechanism that developers use to manage their public DNS names.
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