The BIZ top-level domain: Ten years later

Tristan Halvorson, Janos Szurdi, Gregor Maier, Mark Felegyhazi, Christian Kreibich, Nicholas Weaver, Kirill Levchenko, Vern Paxson

Research output: Chapter in Book/Report/Conference proceedingConference contribution


On May 15, 2001 ICANN announced the introduction of the biz and info generic top-level domains (gTLDs)-the first new gTLDs since the inception of the Domain Name System-aiming to "increase consumer choice and create opportunities for entities that have been shut out under the current name structure." The biz gTLD, in particular, was to become an alternative to the popular com top-level domain. In this paper we examine the current usage of the biz gTLD in order to determine whether it has evolved into the role intended by ICANN, and whether concerns expressed in the early discussions of this expansion have been justified. In particular, using DNS zone files, DNS probing, and Web crawler data, we attempt to answer the question of whether biz has become a viable alternative to com, giving trademark holders who find themselves unable to register a com name an attractive alternative; or whether it has merely induced defensive registrations by existing trademark holders who already had equivalent com domains.

Original languageEnglish (US)
Title of host publicationPassive and Active Measurement - 13th International Conference, PAM 2012, Proceedings
Number of pages10
StatePublished - 2012
Externally publishedYes
Event13th International Conference on Passive and Active Measurement, PAM 2012 - Vienna, Austria
Duration: Mar 12 2012Mar 14 2012

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume7192 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349


Other13th International Conference on Passive and Active Measurement, PAM 2012

ASJC Scopus subject areas

  • Theoretical Computer Science
  • General Computer Science


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