Domain Name Service Dns. Domain names are alphabetic and therefore easy to remember but the Internet is based on numeric IP addresses so a DNS server is required for computers to communicate with one another. There are 4 DNS servers involved in loading a webpage.
Computers that run DNS are called name servers. DNS stores the database of all. It is an application layer protocol for message exchange between clients and servers.
The DNS lookup is done directly against the domains authoritative name server so changes to DNS Records should show up instantly.
ABOUT DNS LOOKUP This test will list DNS records for a domain in priority order. DNS recursor - The recursor can be thought of as a librarian who is asked to go find a particular book somewhere in a. Domain Name System DNS is one of the industry-standard suite of protocols that comprise TCPIP and together the DNS Client and DNS Server provide computer name-to-IP address mapping name resolution services to computers and users. DNS stands for a Domain Name System.