Types of DNS Server | Master DNS Server | Slave DNS Server | Caching-only DNS Server
In this video, we will discuss the different types of name servers used in the Domain Name System (DNS) and their purposes. Name servers are responsible for resolving domain names into IP addresses and other DNS records.
We will cover three main types of name servers: master, slave, and caching-only servers. Master servers are authoritative DNS servers that store the original copy of DNS zone data for a domain. They are responsible for managing and updating the DNS zone file and responding to DNS queries for the domain.
Slave servers, on the other hand, are secondary servers that receive a copy of the DNS zone file from the master server and keep it in sync. They are also authoritative DNS servers but do not have the ability to modify the DNS zone file directly. Instead, they rely on the master server for updates.
Caching-only servers are not authoritative DNS servers but instead focus on caching DNS records from other DNS servers to improve the speed and efficiency of DNS resolution. They do not store any DNS zone data but can serve cached DNS records to clients requesting them.
We will also discuss the pros and cons of each type of name server and how they can be used in different network configurations. Understanding the different types of name servers and their purposes is crucial for managing and configuring DNS settings for websites and network infrastructure.
Overall, this video will provide a comprehensive overview of the different types of name servers used in DNS and their roles in the functioning of the internet.
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by TechTrends with Vipin Gupta
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