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The lookup procedure[edit] From the results of a DNS lookup, a security-aware DNS resolver can determine whether the authoritative name server for the domain being queried supports DNSSEC, whether the answer it receives is secure, and whether there is some sort of error. The lookup procedure is different for recursive name servers such as those of many ISPs, and for stub resolvers such as those in
DNSCurve uses high-speed high-security elliptic-curve cryptography to drastically improve every dimension of DNS security: Confidentiality: DNS requests and responses today are completely unencrypted and are broadcast to any attacker who cares to look. DNSCurve encrypts all DNS packets. Integrity: DNS today uses "UDP source-port randomization" and "TXID randomization" to create some speed bumps fo
Securing a critical piece of Internet infrastructure Backgound: The need for a better DNS security DNS is one of the fundamental building blocks of the Internet. It's used any time you visit a website, send an email, have an IM conversation or do anything else online. While OpenDNS has provided world-class security using DNS for years, and OpenDNS is the most secure DNS service available, the un
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