Known as servers that convert some domain names into Internet Protocol addresses, public Domain Name System servers are open and can be accessed by any computer user. Volunteer computer engineers offer these servers free-of-charge and they commonly use FreeBSD servers that are protected by Uninterruptible Power Supply to run them. Computer users can determine their IP addresses by sending a query to Whois or DNS database with the use of various tools such as nslookup, whois and dnsquery. One of the reasons behind the launch of public DNS servers is to respond to the expensive costs of services offered by Internet Service Providers.

The Importance of Public DNS servers to Zone Files

A public DNS server is useful when it comes to creating zone files. Aside from this function, it is also helpful in the distribution of these files to the Internet using DNS hosts that can be accessed freely by computer users. This server offers the name service to be used and the domain owner chooses the files to be edited directly by a computer administrator. To solve issues concerning zone file errors, this server has the capability to use third party programs.

The Most Popular Public DNS Servers

In order to avoid encountering problems with the use of a public DNS server, it is important to have ideas about the different servers managed by popular Internet Service Providers and web-based companies. The two servers offered by Google to the public have the addresses 8.8.8.8 and 8.8.4.4. Aside from Google, computer users can also use servers from Verizon, which include 151.197.0.38, 151.197.0.39, 151.202.0.84, 151.202.0.85 and 151.203.0.84. Moreover, one of the ISPs that provide this service is SpeakEasy, which servers include those that have the addresses 66.92.64.2, 64.81.111.2, 66.93.87.2 as well as 216.231.41.2.

Additional Information and Other Important Details About the Proper Use of Public and Private DNS Servers

DNS servers Silagra can be categorized into two, namely the public DNS server and the private DNS server. To assist computer users who need to convert domain names into IP addresses, some computer companies provide public DNS servers. However, they should know that using these servers might cause problems such as DNS amplification attacks, cache poisoning and pharming. To avoid data management issues and network security problems, some users prefer to use private DNS servers. Moreover, to use the servers efficiently and easily, they need to be configured by computer technicians or responsible administrators of computer systems and networks.

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