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.io is the Internet country code top-level domain ccTLD nominally assigned to the British Indian Ocean Territory.[1] The domain is managed by Internet Computer Bureau Ltd, a domain name registry, with registrar services provided by Name.com.[2]

Google's ad targeting treats .io as a generic top-level domain (gTLD) because "users and website owners frequently see [the domain] as being more generic than country-targeted."[3]

History[edit | edit source]

The .io domain was delegated by the Internet Assigned Numbers Authority to British entrepreneur Paul Kane in 1997 together with the ccTLDs .ac (Ascension Island), .sh (St Helena), and .tm (Turkmenistan). Kane operated them for private benefit under the trade name "Internet Computer Bureau" from 1997 until 2017.[4] In 2014, Kane claimed that "profits are distributed to the authorities for them to operate services as they see fit" and that "Each of the overseas territories has an account and the funds are deposited there because obviously the territories have expenses that they incur and it’s offsetting that." However the UK government has repeatedly stated that this is untrue: “There is no agreement between the UK Government and Internet Computer Bureau regarding the administration of the .io domain” and "the Government receives no revenues from the sales or administration of this domain."[5]

The first subdomain was registered under .IO in 1998, when Levi Strauss & Co. registered the domain levi.io.[6]

In April 2017, Paul Kane sold the Internet Computer Bureau holding company to privately held domain name registry services provider Afilias for $70.17m in cash.[7]

In December 2020, Afilias' owner Hal Lubsen sold it to privately held Donuts for an undisclosed sum.[8]

In 2021, the United Nations' International Tribunal for the Law of the Sea ruled that the United Kingdom has no sovereignty over the Chagos Archipelago, and that sovereignty instead belongs to Mauritius. This would extinguish the British Indian Ocean Territory, and the IO ISO-3166 two-letter country code and .io domain could also be extinguished. The United Kingdom, which was not a party to the case, disputes and does not recognise the tribunal's decision, so further legal processes are likely.[9][10] In 2022, the Mauritian government was considering how to progress the issue.[11]

In July 2021, the Chagos Refugee Group UK submitted a complaint to the Irish government against domain-name speculators Paul Kane and Afilias, seeking repatriation of the .IO ("Indian Ocean") country-code top-level domain and payment of back royalties from the $7m/year in revenue generated by the domain.[12] While attempts to repatriate top-level domains are not uncommon, this one is notable in that it cites consumer and human rights violations of the OECD's 2011 OECD Guidelines for Multinational Enterprises rather than multistakeholder representation under ICANN policy, and because the .io domain has enjoyed commercial success, particularly among cryptocurrency companies, with more than 270,000 domains registered.[13][14]

Registration and restrictions[edit | edit source]

Individuals and organisations are allowed to register .io domains.

Labels for .io domains may only contain alphanumeric characters and hyphens, and must be between 3 and 63 characters long. Domain names cannot begin or end with a hyphen symbol, and may not contain two consecutive hyphens. The entire domain name may not contain more than 253 characters.[15]

Applicants for the registration of .io domains do not need to be registered or established in the British Indian Ocean Territory. Third-level domains, such as "xyz.com.io", can only be registered by an inhabitant of the area. (Since there are no legal, permanent inhabitants of the British Indian Ocean Territory, theoretically no third-level domains will be registered.) Any second-level domains used by NIC.IO and top-level domains cannot be used as a third-level domain. For example, the domains "com.com.io", "org.com.io", and "biz.com.io" are all restricted.[16]

Domain names in .io may not be used, "for any purpose that is sexual or pornographic or that is against the statutory laws of any nation." If this requirement is breached, "NIC.IO reserves the right to immediately deactivate the offending registration."[17]

.io domains may be registered for a minimum of one year, and a maximum of 5 years.[18]

Usage[edit | edit source]

The .io domain is used almost exclusively for purposes unrelated to the British Indian Ocean Territory.

In computer science, "IO" or "I/O" is commonly used as an abbreviation for input/output, which makes the .io domain desirable for services that want to be associated with technology. .io domains are often used for open source projects, application programming interfaces ("APIs"), startup companies, browser games, and other online services.[19]

The TLD is also used for domain hacks, as the letters "io" are an ending of many English terms. For example, Rub.io is a shortened URL that was used for Marco Rubio's presidential campaign. [citation needed]

One reason given for the TLD's popularity is that it stands out by being shorter than other TLDs. Also, the .io TLD is less occupied than other TLDs, so it is more likely that a given term is available there.[20]

.io games[edit | edit source]

Around 2015 a multiplayer game, Agar.io, spawned many other games with a similar multiplayer playstyle that used the .io domain, such as Diep.io, Slither.io, Surviv.io, and ZombsRoyale.io. Such games are collectively called ".io games".[21]

Controversy[edit | edit source]

According to a 2014 Gigaom interview with Paul Kane, then chairman of the Internet Computer Bureau, the domain name registry is required to give some of its profits to the British government, for administration of the British Indian Ocean Territory.[22] After being questioned as a result of the interview, the British Government denied receiving any funds from the sale of .io domain names, and argued that consequently, the profits could not be shared with the Chagossians, the former inhabitants forcibly removed by the British government.[23] Kane, however, contradicted the government's denial.[24][25]

References[edit | edit source]

  1. ↑ IDN Code Points Policy for the .IO Top Level Domain. NIC.IO. Archived from the original on 2005-12-18. Available at: https://web.archive.org/web/20051218074147/http://www.nic.io/IO-IDN-Policy.pdf. Accessed 2005-12-11.
  2. ↑ NIC.IO - The Official .IO Domain Registry and Network Information Centre. Available at: https://nic.io/. Accessed 2023-12-05.
  3. ↑ Managing multi-regional and multilingual sites. Google. Available at: https://support.google.com/webmasters/answer/182192. Archived from the original on 2019-10-05 at https://web.archive.org/web/20191005224021/https://support.google.com/webmasters/answer/182192. Accessed 5 Oct 2019.
  4. ↑ .IO: British Indian Ocean Territory. James Bridle, Citizen Ex. Archived from the original on 2021-07-02 at https://web.archive.org/web/20210702173249/http://citizen-ex.com/stories/io. Accessed 2 August 2021.
  5. ↑ British Indian Ocean Territory. UK House of Lords. Available at: https://publications.parliament.uk/pa/ld201415/ldhansrd/text/140710w0001.htm#14071059000664. Accessed 10 July 2014.
  6. ↑ WHOIS search for levi.io. Available at: https://www.whois-search.com/whois/levi.io.
  7. ↑ Afilias bought .io for $70 million. Kevin Murphy, Domain Incite. Available at: http://domainincite.com/23650-afilias-bought-io-for-70-million. Accessed 2020-08-13.
  8. ↑ Breaking: Ethos Capital acquires Donuts. Andrew Allemann, DomainNameWire. Available at: https://domainnamewire.com/2021/01/22/breaking-ethos-capital-acquires-donuts/. Accessed 2 August 2021.
  9. ↑ UN court rules UK has no sovereignty over Chagos islands. BBC News. Available at: https://www.bbc.co.uk/news/world-africa-55848126. Accessed 1 February 2021.
  10. ↑ The Diego Garcia dispute hits cyberspace. James Mortensen, Samuel Bashfield, Lowy Institute. Available at: https://www.lowyinstitute.org/the-interpreter/diego-garcia-dispute-hits-cyberspace. Accessed 1 February 2021.
  11. ↑ Mauritius challenges UK rights over Indian Ocean domain name. Owen Bowcott, The Guardian. Available at: https://www.theguardian.com/world/2022/mar/21/mauritius-challenges-uk-rights-over-indian-ocean-domain-name-chagos-islands. Accessed 21 March 2022.
  12. ↑ COMPLAINT FILED AGAINST Afilias Ltd. (Ireland) including its subsidiaries 101domain GRS Limited (Ireland), Internet Computer Bureau Limited (England & British Indian Ocean Territory) In Respect of OECD Guidelines Violations in Operation of ccTLD .io BEFORE THE IRELAND OECD NATIONAL CONTACT POINT. Jonathan Levy. Available at: http://www.jlevy.co/wp-content/uploads/2021/07/OECD-July-28-2021-Afilias-Ltd.pdf. Accessed 2 August 2021.
  13. ↑ Chagos Islanders Lodge Complaint With OECD to Get Their .IO Back. David Goldstein, Goldstein Report. Available at: https://goldsteinreport.com/chagos-islanders-lodge-complaint-with-oecd-to-get-their-io-back/. Accessed 2 August 2021.
  14. ↑ Uh-oh .io: Question mark hangs over trendy tech startup domains as UN condemns British empire hangover. Kieren McCarthy, The Register. Available at: https://www.theregister.com/2019/05/27/io_domains_uk_un/. Accessed 27 May 2019.
  15. ↑ Domain names--Implementation and specification. P. Mockapetris, IETF RFC 1035 (Nov 1987).
  16. ↑ RULES for the .IO Domain and Sub-Domains. NIC.IO. Archived from the original on 2005-10-23 at https://web.archive.org/web/20051023213418/http://www.nic.io/rules.html. Accessed 2005-07-30.
  17. ↑ .IO Domain Name Registration price list. NIC.IO. Archived from the original on 2017-01-22 at https://web.archive.org/web/20170122144009/http://nic.io/pricelist.xzx. Accessed 2016-10-02.
  18. ↑ Cheapest .io Domain Registration, Renewal, Transfer Prices. TLD-List. Archived from the original on 2023-05-29 at https://web.archive.org/web/20230529204339/https://tld-list.com/tld/io. Accessed 2023-05-29.
  19. ↑ IO Domains in Alexa Top 1 Million. TechSlides. Archived from the original on 2015-05-27 at https://web.archive.org/web/20150527204917/http://techslides.com/io-domains-in-alexa-top-1-million. Accessed 27 May 2015.
  20. ↑ Why are startups turning to .IO? Name.com Blog. Archived from the original on 2017-04-04 at https://web.archive.org/web/20170404215838/http://www.name.com/blog/business/2013/10/why-are-startups-turning-to-io/. Accessed 2017-04-05.
  21. ↑ The surprising momentum behind games like Agar.io. Dean Takahashi, VentureBeat. Available at: https://venturebeat.com/2017/02/11/the-surprising-momentum-behind-io-games-like-agar-io/. Accessed 5 May 2018.
  22. ↑ The dark side of .io: How the U.K. is making web domain profits from a shady Cold War land deal. David Meyer, gigaom.com. Archived from the original on 2014-09-05 at https://web.archive.org/web/20140905192228/http://gigaom.com/2014/06/30/the-dark-side-of-io-how-the-u-k-is-making-web-domain-profits-from-a-shady-cold-war-land-deal/. Accessed 2014-09-06.
  23. ↑ The dark side of the .io extension. ICT.IO. Available at: https://ict.io/en/the-dark-side-of-the-io-extension/. Accessed 2022-10-19.
  24. ↑ House of Lords Summer Recess 2014 Written Answers and Statements. UK Parliament. Archived from the original on 2019-04-04 at https://web.archive.org/web/20190404113643/https://publications.parliament.uk/pa/ld/ldtoday/writtens/11082014.htm#hdg-Internet. Accessed 2019-04-04.
  25. ↑ UK government denies receiving .io domain profits. David Meyer, gigaom.com. Archived from the original on 2015-05-01 at https://web.archive.org/web/20150501033258/https://gigaom.com/2014/07/11/uk-government-denies-receiving-io-domain-profits/. Accessed 2015-05-19.
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