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Start Using a Secondary DNS

Posted on 10.26.2016

The recent DNS outage resulting from the attack on DYN's network is forcing many enterprises to examine their existing DNS configurations - and what they will find is not too good, even for the Web's top sites.

DNS Made Easy released findings this week which highlight critical vulnerabilities among the Alexa top 100 websites, noting that businesses still using a single DNS provider configuration are vulnerable to suffering downtime just like the brands that were knocked offline last week.

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The use of a secondary DNS provider can prevent outages because when the primary provider fails to respond to queries, then the secondary provider instantly takes over the traffic load. Seems pretty reasonable, right?

“We examined the Alexa top 100 domains to see which companies were still using only one DNS provider. We were shocked to find that 58% of domains that outsource their DNS were still using only a single provider solution,” says President of DNS Made Easy Steven Job. “These statistics were shocking, as it has proven time and time again that any business reliant on the Internet should use multiple DNS providers to increase redundancy.”

Even domains that use in-house DNS configurations can take advantage of secondary DNS services.

“Hybrid DNS configurations, the combination of an in-house network with a cloud DNS provider as a backup, has become a growing trend,” says Job. “Secondary DNS should be a standard practice among large brands who value performance and reliability.”


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