DNS names like Lost

DNS translates the name of the site in an Internet address. When a user requests a URL you type into your browser and return to the website on the screen, in fact, a DNS server receives a request from a URL and translate it into an IP address, which is the address of the site. Because it is much easier for the human mind to remember a name rather than a long track that is why the use of DNS to translate the site name to an IP address from an Internet actuallyunderstand and be able to deal with.

DNS can answer three types of queries that a user can do to a DNS server recursive, iterative, and inverse. The principal of a DNS server can server a resolution system (which would normally call a customer / user) or a different DNS.

DNS names like Lost?

1. The DNS resolver sends a recursive query to the local DNS server asking for IP address of the requested site.The local name server is responsible for name resolution and can not refer the resolver to another name server.

2. The local name server to check the areas and found no areas corresponding to the requested domain name.

3. The root name server is authoritative for the root domain and responds with the IP address of a name server. Com TLD.

4. The local name server sends an iterative query for the name of the siteL '. com name server.

5. L '. Com name server responds with the Internet address of the nameserver maintenance of the domain name requested.

6. Then the local name server sends an iterative query to the site on name server.

7. name server of the site meets the Internet is the name of the site.

8. The local name server sends the IP address of the site's name back to the original requestedresolver.

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