The categories can be overridden through individually managed blacklists and whitelists. On May 13, 2007, OpenDNS launched a domain-blocking service to block web sites or non-web servers by categories, allowing control over the type of sites that may be accessed. DNS query results are sometimes cached by routers (e.g., local ISPs' queries may be cached by ISPs' home routers), the local operating system or applications, so differences in speed may be noticeable only with requests that are not stored in a local cache.ĭNS service for personal home use In many cases OpenDNS provides only negligible performance gain, but may process queries more quickly than an ISP with slow DNS servers. In July 2013 OpenDNS said that it handled over 50 billion DNS requests daily. OpenDNS Sandbox is an RFC-compliant DNS service that does not provide any level of filtering. OpenDNS also provides the following recursive nameserver addresses as part of their FamilyShield parental controls that block pornography, proxy servers, and phishing sites. OpenDNS provides the following recursive nameserver addresses for public use, mapped to the nearest operational server location by anycast routing. OpenDNS has adopted and supports the DNSCurve secure protocol. OpenDNS offers DNS resolution as an alternative to using Internet service providers' DNS servers or locally installed DNS servers.
Opendns updater ipv6 software#
It is not related to open source software the service is based on closed-source software. The name "OpenDNS" refers to the DNS concept that queries are accepted from any source. The services are based on software proprietary to the company. Until June 2014, OpenDNS provided an ad-supported service and a paid advertisement-free service. Cisco said that it intended to continue development of OpenDNS with its other cloud-based security products, and that it would continue its existing services.
OpenDNS's business services were renamed Cisco Umbrella home products retained the OpenDNS name.
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On August 27, 2015, Cisco acquired OpenDNS for US$635 million in an all-cash transaction, plus retention-based incentives for OpenDNS. The OpenDNS Global Network processes an estimated 100 billion DNS queries daily from 85 million users through 25 data centers worldwide.
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.
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