Secondary DNS – Deep Understanding About It

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DNS is an overloaded term. That’s why we are seeing a fair amount of confusion and frustration around secondary DNS. You will also listen about primary and secondary DNS from the registrars. A secondary DNS is an extra set of name servers. This extra set of name servers will enhance the authenticity of your domain. After enabling secondary DNS, you will find 50/50 chances of seeing the nameservers for each domain name. The secondary DNS will provide redundancy to your domain when primary DNS of your domain goes down. If you are not using secondary DNS, your website will remain unavailable for the human readers in the case of failure of the primary DNS. By enabling secondary DNS, you can also distribute the load of your website on the primary and secondary servers. It will also save your website from the DDoS attacks.

How Secondary DNS Work?

If you are using primary DNS, all the users will get answers from the nameserver set of the provider. According to experts, it is not the best practice to enhance the authenticity of a website. The primary DNS will also leave your website vulnerable. If you are using a secondary DNS provider, the nameserver sets of your domain will be doubled. It means that it can send query traffic to the available nameserver. For this reason, you don’t need to do any work at the back end. It will happen automatically. Moreover, it will also resolve the nameserver problems of your website when providers are unavailable.

Secondary DNS Strategies:

There are three essential strategies of secondary DNS. These three DNS strategies are explained below;

  • Primary:

It is also known as master/slave secondary DNS strategy. Most of the users are using this secondary DNS strategy. Most of the providers are supporting this strategy. It means that you can easily configure this strategy. The primary DNS will present where you want to update the configuration of your record. On the other hand, secondary DNS will receive the record updates. They receive these record updates via AXFR transfers. If you want to enable secondary DNS, you will have to add the nameserver sets of both providers in the registrar.

  • Primary/Primary:

It is also known as Master/Master. This is not the best example of the secondary DNS. Its reason is that it has both primary DNS. Anyhow, its main reason is to manage the DNS services. The users can use these two primary DNS to maintain the two record configurations. Most of the organizations are using this secondary DNS. These organizations are using this service to maintain record updates. While using it, the organizations can make changes in one primary DNS.

  • Hidden Primary:

It is very similar to the primary-secondary DNS. The only difference between primary secondary and hidden DNS is that it will make it easy for the nameservers to take the action. When you enable this kind of secondary DNS, you will have to hide the primary DNS. After that, you will have to configure the records. These records will be sent to secondary DNS. No doubt, your main DNS is the primary DNS. Anyhow, you should also enable secondary DNS. The secondary DNS will be helpful for your server to configure the updates. Moreover, it is also adding an extra layer of security to your domain. By adding an extra layer of security, it is protecting your domain from the attackers and public eye. If you want to make unique configurations, you should try to enable hidden primary DNS.

How To Set Up Secondary DNS?

The set-up process of secondary DNS is very easy. You can easily set up secondary DNS on your domain by using four steps. These four steps are explained below by experts of a dissertation help firm;

  • First of all, you will have to configure the primary DNS by allowing the zone transfers. You can configure it through the primary provider. After that, you will have to create the secondary IP set for your domain. You will have to complete this process before adding the domain. 
  • Secondly, you will have to notify the registrar. You can easily notify the registrar by using the DNS Made Easy nameservers. 
  • Thirdly, you will have to update the NS records of your domains. To update the NS records, you will have to use authoritative providers. 
  • At last, you will have to set up updates. For this reason, you will have to configure the primary nameserver with the NOTIFY DNS Made Easy. 

Benefits of Secondary DNS:

Secondary DNS is providing lots of benefits to the users. The most important benefits of the secondary DNS are given below;

  • It is providing the best experience to the customers. When secondary DNS is available, it will decrease the load on the primary DNS. When it releases load on the primary DNS, it will provide a seamless experience to the users. 
  • Secondary DNS will provide good back up to your domain. For example, if your primary DNS is slowed down, the load will be transferred on the secondary DNS. The secondary DNS will work until the primary DNS is up and working. 
  • The secondary DNS will also work as round-robin resolving. It means that it will act as the load balancer. The users will never face the problem of slowing down the server on your website. 
  • It is boosting up the speed of a website. The secondary DNS is increasing the loading time of a web page. If we are using two DNS, it means that we are using two nameservers. The users will get a response from the fastest nameserver. As a result, your website’s performance will be enhanced. 
  • It is also enhancing the resiliency of your website. To enhance the resilience of your website, you should add a cloud-based provider. You can add this cloud-based provider either as a primary DNS or a secondary DNS. 
  • Secondary DNS is also enhancing the reliability of a website. That’s why lots of enterprises are using it. According to experts, by using it, the enterprises have increased their growth by up to 5%.
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