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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.
The are called A, B, C, ...
These are the highest level of the DNS hierarchy. Ultimately, any DNS request that can't be solved at a lower level (through the use of a cache) is traced back to those 13 root servers.
Them root server in general is
.
.com,.org etc
but in your domain the first dc in the forest/domain is the one
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When would a dns server contact a root server?
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.
What could cause the Forwarders and Root Hints to be grayed out?
Win2K configured your DNS server as a private root server
What is the root server of dns?
Them root server in general is . .com,.org etc but in your domain the first dc in the forest/domain is the one
What is a Local DNS server's purpose?
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.
How would a mail server on the internet locate the mail server?
Whenever mail servers talk to each other, they look for MX records at the destination's DNS. When a DNS server is setup for a domain and that domain has mail capabilities, their DNS server will have at least one MX record to denote which server handles mail. The root DNS servers for the internet denote the addresses for the SOA (start of authority) DNS servers for a particular domain.
Can a windows domain environment not connected to the internet still need a dns root server?
yes a windows domain enviorment not connected to the internet still need a dns root server because to access the resources(i.e computers, printers) we need IP and FQDN The role of DNS server is to provide that info and convert IP to FQDN and vice versa.
What is DNS Lookup?
A DNS Lookup is when a device that supports IP asks a DNS server for the IP address associated with a domain name. The DNS Server must "look up" the IP associated with that domain name.For example, if you were to go to Answers.com in your browser, your computer would initiate a DNS Lookup. This process involves asking the Primary DNS Server for Answers.com's IP address. The DNS Server will ask other servers until the IP address is found and the information returned to you.Assuming it is not cached, to find the IP address for wiki.answers.com, your DNS Server would first ask a DNS Root server for the DNS Server that handles "com". The root server would reply with the IP address for "com". Your DNS Server would then find the DNS Server that handles "com" and ask it for "answers.com". The "com" DNS Server would reply with the IP address for "answers.com". Your DNS server would finally find the DNS Server that handles "answers.com" and ask it for "wiki.answers.com".Once your computer receives the reply containing the IP address for wiki.answers.com, it can finally ask wiki.answers.com for the webpage it hosts.A common analogy is that DNS is like a very large phonebook. You look through the phonebook for the name you want and it will tell you the number you need to dial the person you're looking for. The process of looking up the number is a "DNS Lookup".If you would like to experiment with DNS Lookups, you can use the command line utility "nslookup" in Windows or Linux.
What is the difference between a preferred DNS server and an altenate DNS server?
What is the difference between a preferred DNS server and an altenate DNS server?Read more: http://wiki.answers.com/What_is_the_difference_between_a_preferred_DNS_server_and_an_altenate_DNS_server#ixzz2LRd3ICed
What is the purpose of a name server?
A name, or DNS (Domain Name Server) server is a server that responds to requests to convert domain names and address types to and from IP addresses.
What are authoritative dns server and none authoritative dns server?
authoritative dns server is server that has own databases that has name resolution for the clients that for resolve from name to ip address and for ip address to name. non-authorititative dns server is server that forward request of dns client to authoritative dns server for resolve.
When was Unbound - DNS Server - created?
Unbound - DNS Server - was created in 2007.
What is the purpose dns?
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.
