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DNS over TLS

Overview#

DNS over TLS (RFC 7858 DoT) titled: Specification for DNS over Transport Layer Security (TLS)

DNS over TLS describes the use of Transport Layer Security (TLS) to provide privacy for DNS. Encryption provided by TLS eliminates opportunities for eavesdropping and on-path tampering with DNS queries in the network, such as discussed in RFC 7626. In addition, this document specifies two usage profiles for DNS over TLS and provides advice on performance considerations to minimize overhead from using TCP and TLS with DNS.

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