[1] [CITE@en[Top-level domain - Wikipedia, the free encyclopedia]]
( ([TIME[2011-10-06 07:08:42 +09:00]] 版))
<http://en.wikipedia.org/wiki/Top-level_domain>

* 特別な TLD

- [2] [CODE[[[.arpa]]]]
- [3] [CODE[[[.local]]]]
- [4] [CODE[[[.localdomain]]]]
- [5] [CODE[[[.example]]]]
- [6] [CODE[[[.test]]]]
- [7] [CODE[[[.invalid]]]]
- [8] [CODE[[[.c]]]]

[9] [CITE@en-US[IAB Statement: Dotless Domains Considered Harmful | Internet Architecture Board]]
( ([TIME[2013-07-16 04:45:01 +09:00]] 版))
<http://www.iab.org/documents/correspondence-reports-documents/2013-2/iab-statement-dotless-domains-considered-harmful/>

[10] [CITE@en[RFC 7085 - Top-Level Domains That Are Already Dotless]]
( ([TIME[2013-12-06 19:57:44 +09:00]] 版))
<http://tools.ietf.org/html/rfc7085>