DNS is
the history of the system. DNS
in the early 90th century, while email usage became widespread popularity of
networks connected to the ARPA NET network has increased more rapidly. Service makes
centralized network of SRI (The NIC) began experiencing problems in managing the database, which
is used in reference to the hosts connected to the network independent. The structural work is different
by then. Adding contacts to each host machine into the network ARPA NET need to send data
by FTP access to information on file at SRI Host Table is an administrator, which will be updated
the data just 2 times a week only. The data is delayed and inflexible. In addition,
various networks Incoming connections they want the freedom to manage their own systems, so the line of
thinking that spreads the responsibility to organize this out. By dividing the space into parts of the virtual world is
set to host the extent each one of the areas that have divided them. Each space can be divided
into smaller freeing indefinitely. Where each space It was referred to a larger area than a more hierarchical. To be able to locate the references. Each host machines within the scope of each area correctly and quickly. The virtual space, each of them was called "domain" (Domain) and cited reference system is hierarchical, with the name of each area or domain, the "Domain Name System" (Domain Name System) the whole area of the virtual rooms. small areas, it is called "Domain Name Space"
DNS is the
system Domain Name System (DNS) is a system to convert the name to an IP address is assigned by a database structure the hierarchy to store data retrieval. Fast
n The DNS system is a mechanism that converts name and the IP address, or vice-versa. There are also additional functions more like the name of the email server in the domain that responsibility with the DNS name space are defined with clear rules. A storage mechanism is a distributed database. Work in the client-server (Client / Server)
system. DNS
domain name system. Starting from the PC, which acts as a DNS Server, which works with software specially called BIND, which serves to transfer data between the DNS Server, each machine through DNS Photo cal upon request to search the IP, however the answer. DNS Server will be available to only one of those ridiculous to claim that the DNS Server DNS Server is a type which can be classified into two categories:
1. Name Server
2. Resolver
DNS naming must adhere to this rule
is unique. Latin characters (ASCII character set) in RFC 1035 specifies that the domain name is available in
1 letters a through z (case insensitive - ignoring lowercase),
numbers 0 to 9 2.
3. hyphen (-. )
Dynamic DNS is
a system that stores IP addresses to domain names of computers that have been registered.
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