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Google Public DNS was announced on December 3, 2009, [1] in an effort described as "making the web faster and more secure." [2] [3] As of 2018, it is the largest public DNS service in the world, handling over a trillion queries per day. [4] Google Public DNS is not related to Google Cloud DNS, which is a DNS hosting service.
A device with dual-stack implementation in the operating system has an IPv4 and IPv6 address, and can communicate with other nodes in the LAN or the Internet using either IPv4 or IPv6. The DNS protocol is used by both IP protocols to resolve fully qualified domain names and IP addresses, but dual stack requires that the resolving DNS server can ...
A public recursive name server (also called public DNS resolver) is a name server service that networked computers may use to query the Domain Name System (DNS), the decentralized Internet naming system, in place of (or in addition to) name servers operated by the local Internet service provider (ISP) to which the devices are connected. Reasons ...
The server software is shipped with a command line application dnscmd, [13] a DNS management GUI wizard, and a DNS PowerShell [14] package. In Windows Server 2012, the Windows DNS added support for DNSSEC, [ 15 ] with full-fledged online signing, with Dynamic DNS and NSEC3 support, along with RSASHA and ECDSA signing algorithms.
The Dynamic Host Configuration Protocol version 6 (DHCPv6) is a network protocol for configuring Internet Protocol version 6 (IPv6) hosts with IP addresses, IP prefixes, default route, local segment MTU, and other configuration data required to operate in an IPv6 network.
nslookup operates in interactive or non-interactive mode. When used interactively by invoking it without arguments or when the first argument is - (minus sign) and the second argument is a hostname or Internet address of a name server, the user issues parameter configurations or requests when presented with the nslookup prompt (>).
As in IPv4, each host is represented in the DNS by two DNS records: an address record and a reverse mapping pointer record. For example, a host computer named derrick in zone example.com has the unique local address fdda:5cc1:23:4::1f. Its quad-A address record is derrick.example.com. IN AAAA fdda:5cc1:23:4::1f and its IPv6 pointer record is
IPv6-ICMP ICMP for IPv6: RFC 4443, RFC 4884: 0x3B 59 IPv6-NoNxt No Next Header for IPv6: RFC 8200: 0x3C 60 IPv6-Opts Destination Options for IPv6: RFC 8200: 0x3D 61 Any host internal protocol 0x3E 62 CFTP CFTP 0x3F 63 Any local network 0x40 64 SAT-EXPAK SATNET and Backroom EXPAK 0x41 65 KRYPTOLAN Kryptolan 0x42 66 RVD MIT Remote Virtual Disk ...