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A DNS root zone is the top-level DNS zone in a Domain Name System (DNS) hierarchy
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∙ 11y ago
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What could cause the Forwarders and Root Hints to be grayed out?
Win2K configured your DNS server as a private root server
These contain the names and IP addresses of the DNS servers authoritative for the root zone?
Root Hints (page 81 of the 70-642 Microsoft Press Book)
How many roots hints servers available worldwide?
There are only 13 root hint servers and over 1000 root DNS servers avalable on the internet
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 is the purpose of a root server in DNS?
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
What is stubzone?
Stub zones are copies of a zone that contain only the resource records that are necessary to identify the authoritative DNS server for that zone. A stub zone contains a subset of zone data consisting of a SOA, NS, and A record, also known as a glue record. A stub zone is like a bookmark that simply points to the DNS server that is authoritative for that zone. Stub zones can be used where root hints point to an internal DNS server rather than to the root servers on the Internet. For security purposes, the DNS server is designed only to resolve certain zones. Thaslim thaslimca007@gmail.com
The root DNS servers know the location of all the DNS servers that contain the master listings for an entire?
top level
What does Disable Recursion in DNS mean?
HiIn the Windows 2000/2003 DNS console (dnsmgmt.msc), under a server's Properties -> Forwarders tab is the setting Do not use recursion for this domain. On the Advanced tab you will find the confusingly similar option Disable recursion (also disables forwarders). Recursion refers to the action of a DNS server querying additional DNS servers (e.g. local ISP DNS or the root DNS servers) to resolve queries that it cannot resolve from its own database. So what is the difference between these settings? The DNS server will attempt to resolve the name locally, then will forward requests to any DNS servers specified as forwarders. If Do not use recursion for this domain is enabled, the DNS server will pass the query on to forwarders, but will not recursively query any other DNS servers (e.g. external DNS servers) if the forwarders cannot resolve the query. If Disable recursion (also disables forwarders) is set, the server will attempt to resolve a query from its own database only. It will not query any additional servers. If neither of these options is set, the server will attempt to resolve queries normally:... the local database is queried... if an entry is not found, the request is passed to any forwarders that are set... if no forwarders are set, the server will query servers on the Root Hints tab to resolve queries beginning at the root domains.Hope this is helpful rk
How many DNS root server in the world?
there are many hundreds of root DNS servers around the world . And there are 13 organisation responsible for the management of these servers . In India , there are three root servers located in Mumbai , Delhi and Chennai .References : -http://www.iana.org/domains/root/servershttp://www.apnic.net/community/support/root-servershttp://blog.icann.org/2007/11/there-are-not-13-root-servers/
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
How many root servers that control the overall DNS lookup process for the entire Internet?
There are in total 13 main Public-Root Servers.
Which DNS servers are at the highest level of the DNS namespace?
the root domainDNS namespace: DNS is the name service provided by the Internet for TCP/IP networks. DNS is broken up into domains, a logical organization of computers that exist in a larger network. The domains exist at different levels and connect in a hierarchy that resembles the root structure of a tree. Each domain extends from the node above it, beginning at the top with the root-level domain. Under the root-level domain are the top-level domains, under those are the second-level domains, and on down into subdomains. DNS namespace identifies the structure of the domains that combine to form a complete domain name. For example, in the domain name sub.secondary.com, "com" is the top-level domain, "secondary" identifies the secondary domain name (commonly a site hosted by an organization and/or business), and "sub" identifies a subdomain within the larger network. This entire DNS domain structure is called the DNS namespace. The name assigned to a domain or computer relates to its position in the namespace.
