The DNS database features a distributed hierarchical tree structure containing what are called resource records (RR) of various types: Start of Authority (SOA), IP addresses, SMTP mail exchanges, name servers, pointers for reverse look ups, and domain name aliases. DNS is a naming system for any device connected to either the internet or to a private network. See the ICANN web site for more information.
The DNS database features a distributed hierarchical tree structure containing what are called resource records (RR) of various types: Start of Authority (SOA), IP addresses, SMTP mail exchanges, name servers, pointers for reverse look ups, and domain name aliases. DNS is a naming system for any device connected to either the internet or to a private network. See the ICANN web site for more information.
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A Domain Name Server is a standard technology for managing the names of Web sites and other internet domains. DNS technology allows you to type names into your Web browser like compnetworking.about.com and your computer to automatically find that address on the Internet. A key element of the DNS is a worldwide collection of DNS servers.A DNS server is any computer registered to join the Domain Name System. A DNS server runs special-purpose networking software, features a public IP address, and contains a database of network names and addresses for other Internet hosts.
Domain Naming Service (DNS) Database Source Name (DSN)
aging and scavenging
Often, DNS servers that are authoritative, or primary, for specific zones also function as slave, or secondary, DNS servers for other nearby zones. This permits hosts in one zone to gain access to DNS data from those other zones.
A local DNS server's purpose is to host a database and provide access to that database for those within a certain area. It may be within an office building or headquarters.
IP addresses, DNS database, Name Servers, and the Domain Name Space.
It is a software based on Filemaker database system in which apparel companys can manage their business.
The appreciable difference of Open DNS is not in performance over other DNS. The advantage of Open DNS over other DNS products is the added features of typo correction and fishing philter, and how unintrusively those features operate.
If a DNS server cannot find the answer to the DNS Query in its own database it will first query the forwarders (if there are any configured) and then ask the root server. root servers (by default) are the master DNS servers of the Internet.
its a unique key use to identify data in database