DNSCrypt is an open-source protocol that improves internet privacy and security by encrypting and authenticating DNS communications between users and their DNS resolvers. DNSCrypt uses cryptographic signatures to protect user data and verify response authenticity, unlike traditional DNS, which lacks encryption and can expose sensitive information to third parties. DNSCrypt, introduced in 2013, was created to address vulnerabilities in the DNS protocol. Its second version is now one of the most widely used encrypted DNS protocols worldwide. It is a free, open-source tool that is independent and enables users worldwide to access DNSCrypt-enabled resolvers for better online security. In October 2019, DNSCrypt launched "Anonymized DNS," which encrypts DNS queries and hides client IP addresses, greatly enhancing user privacy. The DNSCrypt website claims this innovation surpasses alternatives like DNS-over-HTTPS (DoH) by offering enhanced anonymity alongside robust encryption. DNSCrypt provides secure and private internet access, making it essential for users looking to protect themselves from cyber threats.
DNSCrypt's service is entirely free, with its software and reference implementations openly available for use and modification.
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