Background: The need for a better DNS security
While OpenDNS has provided world-class security using DNS for years, and OpenDNS is the most secure DNS service available, the underlying DNS protocol has not been secure enough for our comfort.
How secure is open DNS?
OpenDNS is a free online service that offers an extra layer of safety on the Internet. Technically, the service is DNS resolution, which I’ll explain below. The main defensive computing advantage it provides is protection from bad Web sites, most importantly from phishing scams.
Which DNS is most secure?
We have created a list of the top 5 Best DNS Servers based on the results of our 2 polls:
- OpenNIC. OpenNIC is a free DNS server that routes your traffic away from DNS servers provided by your ISP.
- Cloudflare DNS.
- Quad9 DNS.
Is OpenDNS private?
OpenDNS is a company and service that extends the Domain Name System (DNS) by adding features such as phishing protection and optional content filtering in addition to DNS lookup, if its DNS servers are used.
|Type||DNS Resolution Service|
|Parent||Independent (2005-2015) Cisco (2015–present)|
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Should I use OpenDNS?
Here’s why: Unlike the DNS servers of your less reliable ISP, OpenDNS servers store the IP addresses of millions of websites in their cache so it would take less time to resolve your requests. Another huge advantage of using OpenDNS is that it blocks phishing websites from loading on your computer.
Why is OpenDNS bad?
OpenDNS is bad for server
This encourages spam as you will not able to filter out spam queries using their dns servers.
Is DNS traffic encrypted?
2 Answers. Standard DNS is not encrypted anywhere. DNS should also work over TCP, since it is the standard mechanism for dealing with answers that are too big (the alternative is IP fragmentation). The server essentially sends an UDP response saying ‘answer too big, try again over TCP’.