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The domain name system dns is a hierarchical and decentralized naming system for computers services or other resources connected to the internet or a private network.
Domain name system cisco. Do not include the initial period that separates an unqualified name from the domain name. There are two major resolution services. Domain name system dns is a name resolution protocol that translates hostnames to ip addresses and vice versa.
It associates various information with domain names assigned to each of the participating entities. The namespace of the internet is divided into domains. The name space of the internet is divided into domains and the responsibility for managing names within each domain is delegated typically to systems within each domain.
Domain name system dns is the system in the internet that maps names of objects usually host names into ip numbers or other resource record values. 1 name to address forward the most used type of resolution 2 address to name reverse used primarily for verification checks the well known port number for dns is 53 for both udp and tcp. Multicast domain name system.
A dns server is a host that runs the dns service and it is configured to do the translation for the user transparently by using tcp udp port 53. In cisco devices this lookup feature is by default enabled. Tcp port 53 is also used for dns zone transfers.
Domain name system dns is a name resolution protocol that translates hostnames to ip addresses and vice versa. Tcp is used in cases when a lot of information must be transferred. Dns infrastructure is built.
The domain name system dns is the system in the internet that maps names of objects usually host names into ip numbers or other resource record values. If there is a domain list the default domain name is not used. Dns domain name system simply a system which is used to translate a domain to a particular ip address.
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