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  2. .invalid - Wikipedia

    en.wikipedia.org/wiki/.invalid

    In 1999, the Internet Engineering Task Force reserved the DNS labels example, invalid, localhost, and test so that they may not be installed into the root zone of the Domain Name System. The reasons for reservation of these top-level domain names is to reduce the likelihood of conflict and confusion. [ 1 ]

  3. Public Suffix List - Wikipedia

    en.wikipedia.org/wiki/Public_Suffix_List

    The Public Suffix List (PSL) is a community-maintained list of rules that describe the internet domain name suffixes under which independent organisations can register their own sites. Entries on the list are referred to as effective top-level domains ( eTLDs ), [ 1 ] and contain commonly used suffixes like com , net and co.uk , as well as ...

  4. Wildcard DNS record - Wikipedia

    en.wikipedia.org/wiki/Wildcard_DNS_record

    A wildcard DNS record is a record in a DNS zone that will match requests for non-existent domain names. A wildcard DNS record is specified by using a * as the leftmost label (part) of a domain name, e.g. *.example.com. The exact rules for when a wildcard will match are specified in RFC 1034, but the rules are neither intuitive nor clearly ...

  5. List of Internet top-level domains - Wikipedia

    en.wikipedia.org/wiki/List_of_Internet_top-level...

    This list of Internet top-level domains (TLD) contains top-level domains, which are those domains in the DNS root zone of the Domain Name System of the Internet.A list of the top-level domains by the Internet Assigned Numbers Authority (IANA) is maintained at the Root Zone Database. [1]

  6. .local - Wikipedia

    en.wikipedia.org/wiki/.local

    The domain name .local is a special-use domain name reserved by the Internet Engineering Task Force (IETF) so that it may not be installed as a top-level domain in the Domain Name System (DNS) of the Internet. As such it is similar to the other special domain names, such as .localhost. [1]

  7. Country code top-level domain - Wikipedia

    en.wikipedia.org/wiki/Country_code_top-level_domain

    An internationalized country code top-level domain (IDN ccTLD) is a top-level domain with a specially encoded domain name that is displayed in an end user application, such as a web browser, in its native language script or a non-alphabetic writing system, such as Latin script (.us, .uk and .br), Indic script (.

  8. Typosquatting - Wikipedia

    en.wikipedia.org/wiki/Typosquatting

    A plural of a singular domain name; A different top-level domain (e.g., .com instead of .org) An abuse of the Country Code Top-Level Domain (ccTLD) (.cm, .co, or .om instead of .com) Similar abuses: Combosquatting – no misspelling, but appending an arbitrary word that appears legitimate, but that anyone could register.

  9. Registrar-Lock - Wikipedia

    en.wikipedia.org/wiki/Registrar-Lock

    REGISTRAR-LOCK is a status code that can be set on an Internet domain name by the sponsoring registrar of the domain name. [1] [2] This is usually done in order to prevent unauthorized, unwanted or accidental changes to the domain name. When set, the following actions are prohibited by the domain name registry: Modification of the domain name ...