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  2. WHOIS - Wikipedia

    en.wikipedia.org/wiki/WHOIS

    A WHOIS command line client passes a phrase given as an argument directly to the WHOIS server. Various free open source examples can still be found on sites such as sourceforge.net. However, most modern WHOIS tools implement command line flags or options, such as the -h option to access a specific server host, but default servers are preconfigured.

  3. Shared Whois Project - Wikipedia

    en.wikipedia.org/wiki/Shared_Whois_Project

    The Shared Whois Project (SWIP) is the process used to submit, maintain and update information to ensure up-to-date and efficient maintenance of WHOIS records, as structured in RFC 1491. [1] The process updates WHOIS to contain information regarding what organization is using a specific IP address , or a specific block of addresses.

  4. Registration Data Access Protocol - Wikipedia

    en.wikipedia.org/wiki/Registration_Data_Access...

    It is a successor to the WHOIS protocol, used to look up relevant registration data from such Internet resources as domain names, IP addresses, and autonomous system numbers. While WHOIS essentially retrieves free text, RDAP delivers data in a standard, machine-readable JSON format. [1]

  5. Shodan (website) - Wikipedia

    en.wikipedia.org/wiki/Shodan_(website)

    Shodan is a search engine that lets users search for various types of servers (webcams, routers, servers, etc.) connected to the internet using a variety of filters. [1] Some have also described it as a search engine of service banners, which is metadata that the server sends back to the client. [2]

  6. nslookup - Wikipedia

    en.wikipedia.org/wiki/Nslookup

    nslookup is a member of the BIND name server software. Andrew Cherenson created nslookup as a class project at UC Berkeley in 1986 and it first shipped in 4.3-Tahoe BSD [1] In the development of BIND 9, the Internet Systems Consortium planned to deprecate nslookup in favor of host and dig.

  7. American Registry for Internet Numbers - Wikipedia

    en.wikipedia.org/wiki/American_Registry_for...

    The American Registry for Internet Numbers (ARIN) is the regional Internet registry for the United States, Canada, and many Caribbean and North Atlantic islands. ARIN manages the distribution of Internet number resources, including IPv4 and IPv6 address space and AS numbers.

  8. dig (command) - Wikipedia

    en.wikipedia.org/wiki/Dig_(command)

    dig is a network administration command-line tool for querying the Domain Name System (DNS).. dig is useful for network troubleshooting and for educational purposes. [2] It can operate based on command line option and flag arguments, or in batch mode by reading requests from an operating system file.

  9. Markmonitor - Wikipedia

    en.wikipedia.org/wiki/Markmonitor

    Markmonitor was founded in 1999 [3] in Boise, Idaho [4] and its initial business as a service provider for the protection of corporate trademarks on the Internet. In 2000, it gained ICANN accreditation status for domain registration [5] and acquired a domain management business called AllDomains the following year.