DNS Failover, the backup that keeps your site online

It is Monday, you just entered the office, and it is a total mess. Apparently, during the weekend your website was down. There are plenty of angry e-mails from customers, and your IT specialists are running crazy to fix the problem. You lost sales and potential new clients, and all of this just because you didn’t have a DNS Failover. DNS Failover can keep your website online even if some of the PoPs are down and it is not hard to set up. Would you like to know more about it?

DNS Failover

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What is Secondary DNS?

We have already talked what is a DNS server or name server as it is also known. It is a complicated system that translates what we write (the domain name and address of a website that we desire) to IP addresses that computers and servers can understand.

Any DNS can be programmed to be primary (master) or secondary (slave), depends on the needs of the system as a whole. You can even have a primary DNS server that is secondary for another zone.

So what is the difference?

The hierarchy. The primary is the main one, and the secondary gets the DNS records from the primary. There are few different configurations of connecting the secondary that we would show you in a bit, but first, we want to explain to you why you need a secondary DNS.
If it does the same, why do you need it?

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