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2. 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]

3. Comparison of DNS server software - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_DNS_server...

   Free Yes Public domain: Dnsmasq: Simon Kelley Free Yes GPL: Simple DNS Plus: JH Software $79 – $379 No Clickwrap license: NSD: NLnet Labs Free Yes BSD variant Knot DNS: CZ.NIC: Free Yes GPL: Knot Resolver: CZ.NIC: Free Yes GPL: PowerDNS: PowerDNS.COM BV / Bert Hubert Free Yes GPL: MaraDNS: Sam Trenholme Free Yes BSD variant pdnsd: Thomas ...

4. List of most-visited websites - Wikipedia

   en.wikipedia.org/wiki/List_of_most-visited_websites

   Domain name Ranking Type Company / Nonprofit organization Country Similarweb (November 2024) Semrush (December 2024) Google Search: google.com: 1 () 1 () Search Engine Google United States YouTube: youtube.com: 2 () 2 () Video-sharing platform Google United States Facebook: facebook.com: 3 () 3 () Social Media Networks Meta United States Instagram

5. .test - Wikipedia

   en.wikipedia.org/wiki/.test

   In June 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. [1] These top-level domain names were reserved to reduce the likelihood of conflict and confusion. [2]

6. Reverse DNS lookup - Wikipedia

   en.wikipedia.org/wiki/Reverse_DNS_lookup

   In computer networks, a reverse DNS lookup or reverse DNS resolution (rDNS) is the querying technique of the Domain Name System (DNS) to determine the domain name associated with an IP address – the reverse of the usual "forward" DNS lookup of an IP address from a domain name. [1]

7. 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 ...