[1]
[SAMP[co.jp]] のような、 [[NIC]] が各組織に割当てるための階層として予約している SLD
の一覧:

<http://spamcheck.freeapp.net/two-level-tlds>

<http://svn.apache.org/viewcvs.cgi/*checkout*/spamassassin/trunk/lib/Mail/SpamAssassin/Util/RegistrarBoundaries.pm?content-type=text%2Fplain>

[2] [CITE[ワイルド過ぎる realm のワイルドカードを何とかしたい - 前編 - - Yet Another Hackadelic]] ([TIME[2009-02-01 19:48:36 +09:00]] 版) <http://d.hatena.ne.jp/ZIGOROu/20080820/1219244562>

[3] [CITE[331510 – Add knowledge of subdomains to necko (create nsEffectiveTLDService)]]
( ([TIME[2012-03-25 11:29:19 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=331510>

[4] [CITE[342314 – Need effective-TLD file]]
( ([TIME[2012-03-25 11:29:24 +09:00]] 版))
<https://bugzilla.mozilla.org/show_bug.cgi?id=342314>

[5] [CITE@en[draft-pettersen-subtld-structure-09 - The Public Suffix Structure file format and its use for Cookie domain validation]]
( ([TIME[2012-03-07 08:27:08 +09:00]] 版))
<http://tools.ietf.org/html/draft-pettersen-subtld-structure-09>

[6] [CITE@en[Country code second-level domain - Wikipedia, the free encyclopedia]]
( ([TIME[2014-07-05 03:52:56 +09:00]] 版))
<http://en.wikipedia.org/wiki/CcSLD>

[7] [CITE@en[Independent Domain Registries - Wikipedia, the free encyclopedia]]
( ([TIME[2014-06-19 19:02:04 +09:00]] 版))
<http://en.wikipedia.org/wiki/Independent_Domain_Registries>