Extension Mechanisms for DNS (EDNS) is a specification for expanding the size of several parameters of the Domain Name System (DNS) protocol which had...

published in RFC 2671 (superseded by RFC 6891) an extension mechanism, called Extension Mechanisms for DNS (EDNS) that introduced optional protocol elements without...

Extension Mechanisms for DNS that allows a recursive DNS resolver to specify the subnetwork for the host or client on whose behalf it is making a DNS...

public DNS resolver in Singapore, causing poor performance for that client. Indeed, a recent study showed that in many countries where public DNS resolvers...

("DNSSEC OK") flag bit in a DNS query. Since the DO bit is in the extended flag bits defined by Extension Mechanisms for DNS (EDNS), RFC 6891, all DNSSEC...

is "dynamic DNS updating" which refers to systems that are used to update traditional DNS records without manual editing. These mechanisms use TSIG to...

size of 512 octets limits a DNS response to thirteen addresses, until protocol extensions (see Extension Mechanisms for DNS) lifted this restriction. While...

Distributed denial-of-service attacks on root nameservers Extension Mechanisms for DNS (Extended DNS, version 0) Internet backbone Open Root Server Network...

DNS Certification Authority Authorization (CAA) is an Internet security policy mechanism that allows domain name holders to indicate to certificate authorities...

System (DNS) name server software. Each of these DNS servers is an independent implementation of the DNS protocols, capable of resolving DNS names for other...

DNS-based Authentication of Named Entities (DANE) is an Internet security protocol to allow X.509 digital certificates, commonly used for Transport Layer...

Examples of such mechanisms include DNS zone transfers and file transfer protocols. DNS provides a mechanism whereby the primary for a zone can notify...

Group of the IETF (Internet Engineering Task Force). p. 12. "RFC 3596: DNS Extensions to Support IP Version 6". The Internet Society. October 2003. Archived...

There are two noticeable issues with this transition mechanism: It only works for cases where DNS is used to find the remote host address, if IPv4 literals...

IETF, archived from the original on 2004-11-01, retrieved 2004-10-28 DNS Extensions (dnsext) Charter, IETF, archived from the original on 2005-03-07, retrieved...

both. A default address selection mechanism, or preferred protocol, needs to be configured either on hosts or the DNS server. The IETF has published Happy...

of the first two mechanisms already results in more than two void lookups and hence PERMERROR. Mechanisms ip4, ip6 and all need no DNS lookup. To enable...

ending in .local may be resolved concurrently via other mechanisms, for example, unicast DNS. RFC 6762 was authored by Apple Inc. employees Stuart Cheshire...

phishing email, email scams and other cyber threat activities. Once the DMARC DNS entry is published, any receiving email server can authenticate the incoming...

SMTP server) in its own right. The boundary MTA uses DNS to look up the MX (mail exchanger) record for the recipient's domain (the part of the email address...

Registration Extension RFC 8004 - Host Identity Protocol (HIP) Rendezvous Extension RFC 8005 - Host Identity Protocol (HIP) Domain Name System (DNS) Extension RFC 8046...

software for interacting with the Domain Name System (DNS). Its most prominent component, named (pronounced name-dee: /ˈneɪmdiː/, short for name daemon)...

DS records for Domain Name System Security Extensions Name: DNS name Entity: Target geographic area Notes: general remarks IDN: support for internationalized...

System (DNS) traffic between the user's computer and recursive name servers. DNSCrypt wraps unmodified DNS traffic between a client and a DNS resolver...

through both optional and non-optional user tracking mechanisms. Some of the tracking mechanisms can be optionally enabled and disabled through the installation...

suitable STUN server for communications with a particular peer by querying the Domain Name System (DNS) for the stun (for UDP) or stuns (for TCP/TLS) server...

capability for blocking or altering online advertising in a web browser, an application or a network. This may be done using browser extensions or other...

private extensions for media authorization link session signaling to the QoS mechanisms applied to media in the network, by defining the mechanisms for obtaining...

service. DHCP does provide some mechanisms for mitigating these problems. The Relay Agent Information Option protocol extension (usually referred to in the...

domain name appears in three relevant places: the DNS query, the TLS Server Name Indication (SNI) extension, and the HTTPS Host header. Ordinarily the same...