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    DNS and domain names are born

    • difficulty to remember ip addresses

    https://www.cs.cornell.edu/people/egs/615/mockapetris.pdf

    RFCS

    http://www.zytrax.com/books/dns/apd/

    First design

    IP is born

    TXT is added

    CAA is added

    https://tools.ietf.org/html/rfc6844

    NA is added

    https://tools.ietf.org/html/rfc3403

    IPV6

    https://tools.ietf.org/html/rfc3596

    Current system

    http://www.zytrax.com/books/dns/ch4/

    Types of DNS servers
    https://www.cloudflare.com/learning/dns/dns-server-types/

    why there are only 13 root servers
    https://www.lifewire.com/dns-root-name-servers-3971336

    https://securitytrails.com/blog/dns-root-servers

    https://root-servers.org/

    Global

    Distributed

    Database

    DNS History:

    • http://www.softpanorama.org/DNS/history.shtml
      https://www.livinginternet.com/i/iw_dns_history.htm
      https://www.cloudns.net/blog/dns-hisotry-creation-first/

    Host to Host protocol
    http://www.cbi.umn.edu/hostedpublications/pdf/McKenzieNCP1972.pdf

    ?? Questions:

    • how router decides where to move packet