Although you can spend a lot of time surfing the Internet, you do not know for sure the system that facilitates this important task because, in general, its assignment is automatic and invisible to you . However, it is valuable to consider this type of system that also allows you to use simpler names to remember an IP.
With all this, we mean the DNS servers that are freely available and best of all, they are free. Which, refer to a service that encourages your web browsing and for greater benefit, allows you to a private browsing . With which, it is able to skip regional locks , as well as optimize the connection of your device .
Given the relevance of this type of servers, in this post we will focus on explaining what DNS is about , the types that exist, as you can know which one uses your computer, the advantages and disadvantages that they gather and also the best public DNS servers you can use .
Index:
What are DNS and what types are there?
While it is true, the acronym DNS stands for “ Domain Name Server “, which in Spanish is “ Domain Name System “. This system is a protocol that exhibits a main function and refers to linking domain names to IP addresses . In this way, they have the ability to translate the names that are intelligible by the human being into the very important IP address of a server that of course contains that domain.
Also, the DNS service is responsible for locating and directing the client with the server that it has worldwide. So, basically it serves to tell each user to type a domain, to which server should go to save the website you want to consult , at any given time.
In reference to its operation, DNS servers make use of a database that is completely decentralized and hierarchically , in which it Finds information about domain names in the entire network.
In addition to this, it also saves other important information, such as the location of email services that each domain has and many other utilities for the execution of everything that it points around Internet browsing.
Now, as for the main types of DNS servers that exist today, we locate the following three:
- User : Refers to the DNS that the user uses as domain names at the time of requesting a connection to a specific website or service on the network >. This is identified with the registered countries or their nature. For example: .es (in Spain), .edu (education), .org (organizations), among others.
- Name resolvers : Those that are they use in softwares and are the ones in charge of investigating in a cache of names. They are usually used to locate an IP associated with a name in a program or a name associated with an IP address.
- Name server : This type is related with name resolvers, because they are in charge of attending to all requests of resolvers . Which can be both free and paid.
How to know what DNS I have working on my computer?
To know that DNS is working on your computer, the procedure to follow is not specifically the same in all cases . Given that, each brand and each router model makes use of a different distribution around its menus and all the options it offers. Therefore, it is not necessary to indicate which sections to access for it. But, in the same way, with the indications that we give you below, it will not be difficult to know this essential data .
In this sense, you must start by entering the configuration of your router . To achieve this, it is appropriate to open the browser and enter the IP address shown by that device (192.168.1.1 or 77.85.8.2 , for example). In case you have no idea of how to access your router , it is valuable that you consult your user manual or call the technical service of your Internet provider and thus, the procedure is will simplify completely.
Then, once you access your router, go to the section that refers to the DNS server . As, for example, in the “ Advanced Setup ” section, which was our case because it contains the DNS statement (this step is simpler). Then, access the DNS server options and at that point, you can locate the IP address of the two DNS servers of your provider and with that, know which one is working on your PC >.
Advantages and disadvantages of using a public DNS on your device
As there are public DNS , it is important to know what benefits reveal, as well as the cons of using them . Therefore, here are the main advantages and disadvantages of using a public DNS on any computer:
The advantages
- Being free DNS, they also give you a free space where to upload the web.
- With them, you can skip regional locks > which, in general, get in the way of your search on the web and thus limit access to various websites.
- Although they are free, many of this type manage to increase response speeds of your computer when searching any web page.
- Many of these DNS promise to add an extra layer of security and thanks to that, you can avoid DDoS attacks .
Disadvantages
- A large number of these DNS servers include advertising on all web pages and this is totally annoying.
- They are not guaranteed and because of that, you cannot demand that it works perfectly every day and at all times.
- With respect to the software, you cannot request that the server program where you have the web , stay updated and present the latest versions of it.
- Most free DNS do not provide backup copies .
- As they are free, they can know the IP address of your device and also monitor the pages you access through this service.
- They do not encrypt or hide your address IP while you are denying online. Therefore, the same operators and companies whose free DNS you are connected to, may obtain some private information about you .
List of the 10 best public DNS servers you can use
As promised is debt, in this section we present the best public and free DNS servers that exist worldwide and of course, we recommend you use it on your device.
Detailing in this way, its most important features, below:
Yandex.DNS
Identifies with: 77.88.8.8 and 77.88.8.1. Thus, it is an alternative offered by the renowned Russian search engine, Yandex . This being a great online service used worldwide that exhibits good features for its users.
Mainly, because in addition to the basic addresses it presents (those detailed at the beginning), it also promises the DNS Safe (77.88.8.88 and 77.88.8.2) that are used to block malicious websites , as well as another directed to restrict adult content , which is known as DNS Family (77.88.8.7 and 77.88.8.3).
Google Public DNS
Identified with: 8.8.8.8 and 8.8.4.4; It is a free service provided by the renowned Google search engine and in order to help the most inexperienced users, it is a DNS directed for these people, so presents fully detailed explanations within its online documentation .
However, one of the biggest disadvantages of the Google public DNS server is that, unlike many other options, saves anonymized browsing data >. However, it exhibits the ability to delete your IP address after 24 or 48 hours to complete your web browsing through its servers.
Comodo Secure DNS
This free public server is identified with: 8.26.56.26 and 8.20.247.20. Thus, an assistance led by the company Comodo that specializes in security products and was founded in the United Kingdom.
Thanks to this, it is estimated as one of the DNS solutions that offers more privacy to its users , given that, although it is a free service, it has the competence to block any web page that endangers your private information or your equipment and also removes spyware and all domains that display many advertisements.
Quad9
Your identification: 9.9.9.9 and 149.112.112.112. This is one of the most modern , because it was launched until three years ago (in 2016). But, likewise, it is an option recommended by experts.
Especially since guarantees great security by presenting the best options to block malicious web domains and this can be identified from various public and private sources that it has collected over time. Added to this, its greatest benefits are based on the great browsing speed it shows and the excellent performance it offers.
Public DNS Server List 
This service focuses on a database where you can get a lot of these and free ones found in all parts of the world. Thanks to the fact that the list it shows is quite extensive, it is considered an excellent option for you to select the solution that best suits you, especially because you can filter the search results by country and that way, Get one that fits everything you’re looking for. Since the closer it is to you, it could give you a higher level of security compared to other alternatives.
ScrubIT
This is another of the best options you have on hand to make use of a free public DNS server that manages to filter sites with pornographic content, any kind of malicious or phishing content . p>
Since, it differs from the others by presenting that capacity, so that each user will have the possibility to adapt their Internet browsing, as they wish. In addition, it is recommended to use it for family or corporate environments . ScrubIT is identified with: 67.138.54.100 and 201.225.209.66.
OpenDNS
This server is identified with: 208.67.222.222 and 208.67.220.220. Thus, OpenDNS is characterized by providing excellent browsing speed , in addition to being always available to its users and if that were not enough, it cares about the privacy and security of themselves, by blocking by default, any phishing website .
It also allows you to establish parental control, for those who want it. All this, free of charge and additionally, offers a paid service that adds more and better features. Therefore, it is estimated as one of the most important public DNS on the web .
Cloudflare
Now, we recommend this other DNS that is identified with the servers: 1.1.1.1 and 1.0.0.1. Which, operates in order to provide great performance and speed while users browse the web . But, beyond that, it focuses on maintaining the privacy of its users , so it does not use your personal data to serve advertising and additionally, it does not save anything regarding the IP address of the computer with which they sail normally. Which means that, is another of the best that exist today.
Level3
This DNS server is identified with: 209.244.0.3 and 209.244.0.4. Which is offered by the US multinational company, Level 3 Communications . Thus, a service that, like the other options, guarantees great security to its users and therefore, is recommended. Additionally, provides great speed to perform all kinds of searches on the Internet and also shows good performance.
Verisign Public DNS
Finally, we indicate this server that identifies with: 64.6.64.6 and 64.6.65.6. Which offers completely optimized performance and also great security, compared to other public solutions. Since, for the benefit of its users, respects your privacy above all and thanks to this, it does not collect any personal data or redirect your queries on the web for advertising purposes .
List of the best DNS of telephone operators h2 >
On the other hand, there are also DNS servers of telephone operators , which reveal good assistance to their users and, therefore, it is recommended to use them. Indeed, here is a list where you find the best DNS servers of this type, along with their IP addresses :
Arrakis
- IP: 195.5.64.2
- IP: 195.5.64.6
Arsys
- IP: 217.76.129.4
- IP: 217.76.128.4
Comunitel
- IP: 212.145.4.97
- IP: 212.145.4.98
Másmovil