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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.
Historically, BIND underwent three major revisions, each with significantly different architectures: BIND4, BIND8, and BIND9. BIND4 and BIND8 are now technically obsolete and not considered in this article. BIND9 is a ground-up rewrite of BIND featuring complete DNSSEC support in addition to other features and enhancements.
Instead of returning the valid IP address of a requested site (for example, instead of 198.35.26.96 being returned by the DNS when "www.wikipedia.org" is entered into a browser, [2] if this IP were on a block list, the DNS might reply that the domain is unknown or with a different IP address that directs to a site with a page stating that the ...
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.
DNS over TLS (DoT) is a network security protocol for encrypting and wrapping Domain Name System (DNS) queries and answers via the Transport Layer Security (TLS) protocol. The goal of the method is to increase user privacy and security by preventing eavesdropping and manipulation of DNS data via man-in-the-middle attacks.
David A. Ulevitch (born December 10, 1981) is an American entrepreneur and venture capitalist.He was the founder and CEO of the enterprise security company OpenDNS (acquired by Cisco) and founder of EveryDNS (acquired by Dyn).
DNS hijacking, DNS poisoning, or DNS redirection is the practice of subverting the resolution of Domain Name System (DNS) queries. [1] This can be achieved by malware that overrides a computer's TCP/IP configuration to point at a rogue DNS server under the control of an attacker, or through modifying the behaviour of a trusted DNS server so that it does not comply with internet standards.
In contrast, the Domain Name System Security Extensions (DNSSEC) work on the complete set of resource record in canonical order. When sent over an Internet Protocol network, all records (answer, authority, and additional sections) use the common format specified in RFC 1035: [ 38 ] : §3