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  2. Root name server - Wikipedia

    en.wikipedia.org/wiki/Root_name_server

    There are 13 logical root name servers specified, with logical names in the form letter.root-servers.net, where letter ranges from a to m. The choice of thirteen name servers was made because of limitations in the original DNS specification, which specifies a maximum packet size of 512 bytes when using the User Datagram Protocol (UDP). [ 7 ]

  3. Anycast - Wikipedia

    en.wikipedia.org/wiki/Anycast

    All 13 root servers A–M exist in multiple locations, with 11 on multiple continents. (Root servers B and H exist in two U.S. locations.) [12] [13] [14] The servers use anycast address announcements to provide a decentralized service. This has accelerated the deployment of physical (rather than logical) root servers outside the United States ...

  4. DNS root zone - Wikipedia

    en.wikipedia.org/wiki/DNS_root_zone

    The DNS root zone is the top-level DNS zone in the hierarchical namespace of the Domain Name System (DNS) of the Internet.. Before October 1, 2016, the root zone had been overseen by the Internet Corporation for Assigned Names and Numbers (ICANN) which delegates the management to a subsidiary acting as the Internet Assigned Numbers Authority (IANA). [1]

  5. Domain Name System - Wikipedia

    en.wikipedia.org/wiki/Domain_Name_System

    When the DNS resolver gets a pointer (PTR) request, it begins by querying the root servers, which point to the servers of American Registry for Internet Numbers (ARIN) for the 208.in-addr.arpa zone. ARIN's servers delegate 152.80.208.in-addr.arpa to Wikimedia to which the resolver sends another query for 2.152.80.208.in-addr.arpa, which results ...

  6. Alternative DNS root - Wikipedia

    en.wikipedia.org/wiki/Alternative_DNS_root

    .chn is a new top-level domain with its own root DNS server for an Internet of Things (IoT) network in China. The company developing this alternative root claims that China has its own intellectual right on this new alternative domain name root and the associated IoT network, and that it will become the second computer network in the world.

  7. Internet Systems Consortium - Wikipedia

    en.wikipedia.org/wiki/Internet_Systems_Consortium

    ISC operates one of the 13 global authoritative DNS root servers, F-Root. [3] [4] Over the years a number of additional software systems were operated under ISC (for example: INN and Lynx) to better support the Internet's infrastructure.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Verisign - Wikipedia

    en.wikipedia.org/wiki/VeriSign

    Verisign, Inc. is an American company based in Reston, Virginia, that operates a diverse array of network infrastructure, including two of the Internet's thirteen root nameservers, the authoritative registry for the .com, .net, and .name generic top-level domains and the .cc country-code top-level domains, and the back-end systems for the .jobs and .edu sponsored top-level domains.