DNS Redundancy

DNS is Vital for reliability

DNS Redundancy is one way to safeguard your Internet-dependent organization. When other providers have outages and downtime, DNS Made Easy is there with 100% reliability to answer queries.

Implementing load balancing techniques to your DNS strategy and having an extra layer of redundancy can ensure businesses stay online 100% of the time. Redundancy not only protects your bottom line—it also protects your brand reputation and ensures an optimum online experience for your users.

DNS Outages are Preventable

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What is DNS Redundancy?

Having DNS redundancy set up is a backup solution for possible DNS outages. Whether outages are resulting from human error, configuration issues, attacks or an issue with infrastructure. Having one DNS provider is not a best practice for mission-critical domains. Avoiding a SPOF (single point of failure) will ensure total availability and eliminate the risk of downtime. Having redundant DNS through DNS Made Easy is also a cost effective solution when considering the losses that incur when an outage occurs.

DNS Plans

DNS Outages - Did You Know?

DNS Outages can last from minutes to days. It's estimated that the true cost of IT downtime averages around $5,600 per minute for all businesses. But this figure can drastically increase for enterprise-level organizations. For example, a company like Amazon or Apple, which reported revenues as high as $950,000 per minute in 2020 could stand to lose $57,000,000 in just an hour.

According to Efficient IP  - 79% of organizations experienced DNS attacks, with the average cost of each attack hovering around $924,000.

Benefits of Redundant DNS

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Think of all the parts of your business that have redundancies. Secondary DNS is simply a safeguard that all Internet-dependent businesses should use. Over the past year, there has been a 5% growth in enterprise adoption of multi-vendor DNS configurations.

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DNS Resiliency

Even when using on-premises DNS architecture you can enjoy the benefits of DNS redundancy. Add a cloud-based provider, like DNS Made Easy, as a primary or secondary provider to your infrastructure. For extra security, configure your in-house nameservers as hidden masters. Queries will appear to be answered by your in-house nameservers but really, the cloud provider is authoritative.

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Better End-User Experience

Maintaining DNS redundancy can improve page load times. Resolving nameservers will start to prefer the provider that responds the fastest. That means queries will more often be served to the better performing provider which, over time, improves resolution times and offers a better end-user experience.

How to configure redundant DNS?

First, you need to configure your primary provider to allow zone transfers to DNS Made Easy systems. This is configured through your primary provider (please refer to their documentation). Next, create a Secondary IP set for your domain(s) in DNS Made Easy. You must complete this step before you add your domain(s).

Update your domain through your registrar (where you bought your domain) to use the DNS Made Easy nameservers. Depending on if you are using a Primary/Secondary or a Hidden Primary configuration, you may only need to list DNS Made Easy nameservers or both providers’ nameservers.

Update authoritative providers’ NS records for your domain (should match the registrar in step 2).

Configure your primary name server / provider to NOTIFY DNS Made Easy should any update be made. If a traditional NOTIFY is not possible then DNS Made Easy will revert to the serial number check found in your SOA record.

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