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OpenDNS is an American company providing Domain Name System (DNS) resolution services—with features such as phishing protection, optional content filtering, and DNS lookup in its DNS servers—and a cloud computing security product suite, Umbrella, designed to protect enterprise customers from malware, botnets, phishing, and targeted online attacks.
The article reads like there is an typo-correction feature shipped by using the OpenDNS DNS-resolvers. This isn't technically true, as the typo-feature is implemented by using HTTP redirects only - it has nothing to do with DNS whatsoever as not existing domains all resolve to the very same IP address - see dig @208.67.222.222 foo.ogr +short.
A public recursive name server (also called public DNS resolver) is a name server service that networked computers may use to query the Domain Name System (DNS), the decentralized Internet naming system, in place of (or in addition to) name servers operated by the local Internet service provider (ISP) to which the devices are connected.
Once malware has been surreptitiously installed on a victim's machine, it reaches out to a controlled domain to retrieve commands encoded in DNS text records. This form of malware communication is stealthy, as DNS requests are usually allowed through firewalls, and because DNS traffic is often seen as benign, these communications can bypass ...
The service also offers an Android app, [15] which employs the public API to search any installed application for VirusTotal's previously scanned ones and show its status. Any application not previously scanned can be submitted, but an API key must be provided and other restrictions to public API usage may apply (see: § Public API).
On June 30, 2015, Cisco acquired privately held OpenDNS, the company best known for its DNS service that adds a level of security by monitoring domain name requests. [ 129 ] On August 6, 2015, Cisco announced that it has completed the acquisition of privately held MaintenanceNet, the US-based company best known for its cloud-based contract ...