To have a Secondary DNS service is really recommended. It means the redundancy you need and more attractive benefits. Don’t worry if you still don’t know what it is about! We have a complete guide to Secondary DNS service for you to know everything!
What is a Secondary DNS service?
Secondary DNS is an extra service you can add to your Primary DNS. It supplies an additional network of name servers for storing copies of the zone file with the DNS records of your domain. These servers can automatically copy the Primary DNS zone file and provide extra points of presence (PoPs) for your domain. This way, the users will definitely resolve your domain quicker. Even if your Primary DNS experiences downtime! Great, isn’t it?
The Secondary DNS service is also called Backup DNS or Slave DNS. In addition, something essential to know is that the it doesn’t allow modifications on DNS records because it only stores copies. Changes can be made just on your Primary DNS.
Pros of Secondary DNS service
- The first and big pro is redundancy. Naturally, extra servers storing copies of your Primary DNS represent an ideal and reliable backup.
- It means security for your Primary DNS. You can set up the Primary DNS to be hidden from criminals’ eyes and tricks. Only the Secondary DNS (copies) will be visible.
- It’s the way to get the ideal 100% uptime! Having Slave Domain Name service, even in the darkest scenario, like all servers of your Primary DNS goes down, your domain will be available thanks to the secondary network.
- It will boost the performance. More servers spread in different locations will relax the workload of the Primary DNS. As a result, and due to the larger amount of PoPs, the DNS resolution process will be more efficient and faster.
- It’s easy to configure. A Secondary zone must be created, and a zone transfer must be performed to get the zone file from the Primary DNS copied. That’s it! A common task for any administrator that takes moderate time.
Cons of Secondary DNS
- More to manage. You will have extra work because you will manage two networks, two control panels to administrate your domain.
- Potentially expensive. If you get a paid service, you have to consider this additional fee on your budget.
Is there free Secondary DNS?
Yes! There are some reliable providers on the market that offer this service for free. It can be a way for you to try their services, and if you get satisfied, you can get more services with them, or eventually, you can migrate your Primary DNS. It’s up to you!
Can I use different providers for getting Primary and Secondary DNS?
Yes, you can get Primary DNS with a provider and add Secondary DNS service from a different one. Actually, it’s recommended! In case the provider of the Primary DNS experiences any kind of problem, you will be safe because it won’t be connected with the Backup DNS service provider.
Can I have more than one Backup service?
Based on your domain needs, how critical it is to be online, and your budget, you can get a Backup DNS service or even multiple Secondary services to have totally backed up the domain and its operation. The process to copy the zone data is not very complex, and you can execute it as many times as you need it.
Keep in mind that no matter those multiple DNS providers, the domain name’s registration can be made with only one company.
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