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    • .fi

    Country-code top-level domainsDNSSEC

    Overview

    .fi is the country-code top-level domain (ccTLD) for Finland. It is operated by the Finnish Transport and Communications Agency (Traficom). Registrations are taken directly at the second level. The TLD is widely used in Finland and supports DNSSEC and internationalized domain names using national characters.

    History

    • Introduced / delegated: 17 December 1986 (application submitted 4 December 1986 by the Finnish Unix Users Group in Tampere).
    • Initial administration: Tampere University of Technology.
    • Later transfers: administration moved to FICIX and later to Traficom (Finnish Transport and Communications Agency).
    • Policy changes and milestones:
      • Historically tightly regulated (domains limited to company names or trademark holders).
      • 1 September 2003: policy loosened (broader registration rules adopted).
      • 1 March 2006: private persons allowed to register .fi domains.
      • Late 2010: DNSSEC support was introduced for .fi.
      • 1 September 2016: registrations opened to anyone worldwide.

    Usage and Audience

    • Intended for entities connected with Finland; commonly used by Finnish companies, organizations and private persons.
    • Typical users: businesses, public bodies, organizations, and individuals wishing to present a Finnish presence or brand.
    • Also used for domain hacks (short, memorable hacks using the "fi" ending).
    • Very popular within Finland according to registry statistics.

    Registration Rules

    • Eligibility:
      • Companies, organizations and private persons may register .fi domain names regardless of domicile.
      • Registrants are responsible for ensuring the domain name is lawful; domains may be revoked for infringement of names or trademarks.
      • Certain names (company names, trademarks, names of public bodies, diplomatic missions, etc.) are protected and may only be used by the rightful holders.
    • Name length and characters:
      • Minimum length: 2 characters; maximum length: 63 characters.
      • Permitted characters: the letters a–z, digits 0–9, and the hyphen (-).
      • National characters from Finnish/Swedish/Sami alphabets and related letters are permitted (examples include: á, â, ä, å, č, đ, ǥ, ğ, ǩ, ŋ, õ, ö, š, ŧ, ž, ʒ, ǯ).
      • A domain name must not begin with the prefix "xn--" (reserved for ACE-encoded IDNs).
    • Other restrictions:
      • Company names or trademarked names can only be applied for by the companies or trademark holders concerned.

    SEO and Brand Impact

    • The .fi domain signals a Finnish presence and is widely trusted within Finland.
    • Historical strict registration rules led some Finnish entities to register under other TLDs, but the later liberalization increased local adoption.
    • DNSSEC support (introduced around 2010) improves security and trust for .fi domains.
    • Support for national characters (IDNs) aids local-language branding, though the use of non-ASCII characters in primary domains is sometimes discouraged.

    Notable Cases or Examples

    • anon.penet.fi — the Penet remailer, a well-known anonymous remailer service popular in the early 1990s.
    • nic.funet.fi — one of the largest public file servers in the early Internet era, notable for Finland's early role in data exchange.
    • Spoti.fi — an example of a domain hack used by Spotify.

    Operator

    Finnish Transport and Communications Agency Traficom

    Whois

    % IANA WHOIS server
% for more information on IANA, visit http://www.iana.org
% This query returned 1 object

domain:       FI

organisation: Finnish Transport and Communications Agency Traficom
address:      PO Box 320
address:      TRAFICOM
address:      Helsinki 00059
address:      Finland

contact:      administrative
name:         Domain Names
organisation: Finnish Transport and Communications Agency Traficom
address:      PO Box 320
address:      TRAFICOM
address:      Helsinki 00059
address:      Finland
phone:        +358 295 345 000
e-mail:       firootadmin@traficom.fi

contact:      technical
name:         Sami Salmensuo
organisation: Finnish Transport and Communications Agency Traficom
address:      PO Box 320
address:      TRAFICOM
address:      Helsinki 00059
address:      Finland
phone:        +358 295 345 000
e-mail:       firootadmin@traficom.fi

nserver:      A.FI 193.166.4.1 2001:708:10:53:0:0:0:53
nserver:      B.FI 194.146.106.26 2001:67c:1010:6:0:0:0:53
nserver:      C.FI 194.0.11.104 2001:678:e:104:0:0:0:53
nserver:      D.FI 2a01:3f0:0:302:0:0:0:53 77.72.229.253
nserver:      E.FI 194.0.1.14 2001:678:4:0:0:0:0:e
nserver:      F.FI 2a03:d640:100:1:0:0:0:6 80.248.170.230
nserver:      G.FI 2001:500:14:6098:ad:0:0:1 204.61.216.98
nserver:      I.FI 194.0.25.30 2001:678:20:0:0:0:0:30
nserver:      J.FI 185.159.199.190 2620:10a:80ac:0:0:0:0:190
nserver:      K.FI 2001:14b8:188d:0:0:0:0:53 213.186.229.226
ds-rdata:     18073 13 2 f9b1900e886c251982237f40a9877bd3445a7379231d7f2cc280fce6ac6f2244

whois:        whois.fi

status:       ACTIVE
remarks:      Registration information: https://domain.fi

created:      1986-12-17
changed:      2025-09-15
source:       IANA

    Registrars