Domain Report. Unless stated otherwise, the statistics represent the state as of 31 December 2011.

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Markéta Květa Blažková
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1 Domain 21 Report

2 Domain Report Contents Domain holders Domains by geographical location 04 Number of domain from 2000 to Registration of domain during Length of domain names 07 Market shares for server software IPv Website content 10 Secure domain 11 Unless stated otherwise, the statistics represent the state as of 31 December 21.

3 Domain holders These statistics show the division of domain holders between individuals and organizations. The following graph shows the division of domain holders by gender. Organizations 41.64% Female 15.25% Individuals 58.36% Male 84.75% The statistics show holders with the highest number of domain registered. There were holders with a single registered domain, 38 1 holders with two registered domains and with three registered domains is Number of holders with a single registered domain Number of domain Order

4 04 Domains by geographical location These statistics monitor the number of domains in the registry according to The holder s address in individual regions of the Czech republic or regional capitals. These statistics give the number of domain holders with an address outside of the Czech republic Region / Capital Country Central Bohemian Reg Slovakia Prague Germany South Moravian Reg USA Brno Great Britain Moravian-Silesian Reg France Ostrava Netherlands South Bohemian Reg Poland 10 7 České Budějovice Austria Hradec Králové Reg China Hradec Králové Switzerland Zlín Reg. 891 Sweden Zlín 752 Italy Ústí n. Labem Reg. 704 Belgium 5 5 Ústí n. Labem 662 Denmark Pardubice Reg. 627 Russia Pardubice 576 Hungary Olomouc Reg. 454 Seychelles Olomouc 372 Western Samoa Liberec Reg. 371 Spain Liberec 342 Cyprus Pilsen Reg. Pilsen Number of domain Vysočina Reg Jihlava Karlovy Vary Reg Karlovy Vary 45 5 Not known Other Number of domain

5 05 Number of domain from 2000 to 21 The statistics give the number of domain in the registry in the calendar years from 2000 to 21. The statistics give the net change in the number of domains in the registry (the number of new registrations minus cancelled domain) in the calendar years from 2000 to 21 and year-on-year changes in these years. Change Year Year Number of domain THE NUMBER OF DOMAINS IN THE REGISTRY IN THE CALENDAR YEAR * % * In 20 the number of domains decreased because the rules were changed and the domain name was registered only after paying the registration fee. Change Year-on-year change in %

6 06 Registration of domain during 21 Statistics show the number of new registrations in individual months of 21 () and monthly changes compared with the previous year, 20 () Month Month Change in % Number of new registrations THE AVERAGE NUMBER OF REGISTRATIONS PER MONTH WAS DOMAIN DURING 21.

7 07 Length of domain names The statistics give the division of domains in the registry from the perspective of their length (number of characters). Single-character and two-character domains are all taken. As of the last day of 21, 34% Of three-character domains had been used, with combinations remaining. On the contrary, the 10 domains with the highest number of characters (domain names can have a maximum of 63 characters) Number of domain Number of characters stanislav-motl-nova-motolska-nemocnice-kauza-mrtva-voda-kojence.cz 63 1.cz 63 prvni-nejdelsi-domena-v-ceske-republice-ktera-ma-prave-63-znaku.cz 63 callido-rizikove-zivotni-pojisteni-investicni-zivotni-pojisteni.cz 63 hryhryhryhryhryhryhryhryhryhryhryhryhryhryhryhryhryhryhryhryhry.cz 63 nahradnidilyautovrakovisteaekologickalikvidacevozideliautovraku.cz 63 xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx.cz 62 rehabilitacni-centrum-masaze-praha-zdrava-vyziva-delena-strava.cz 62 kocarky-tako-panenky-fusak-sanky-autosedacky-dvojcata-houpacky.cz 62 pomozte-zastavit-cenovou-diskriminaci-malych-a-strednich-firem.cz Numbers of characters

8 08 Market shares for server software The. CZ domains are server by different dns servers (according to unique ip addresses in ns records). The following graph shows the market shares for software on DNS servers. THE.CZ DOMAINS ARE SERVED BY DIFFERENT DNS SERVERS. Not known 23.86% TinyDNS 3.43% Other 1.84% MyDNS 1.76% Microsoft 0.69% Bind 68.42% Electronic mail for.cz is served by different mail servers (according to unique ip addresses in MX records). The following graph shows the market shares for software on mail servers. Not known 51.73% Postfix 24.76% Kerio 1.% Microsoft 12.22% Exim 4.25% Sendmail 3.36% Other 2.67% ELECTRONIC MAIL FOR.CZ IS SERVED BY DIFFERENT MAIL SERVERS.

9 09 Market shares for server software WEBSITES FOR.CZ DOMAINS ARE PROVIDED BY DIFFERENT WEB SERVERS. Websites for.cz domains are provided by different web servers (according to unique IP addresses in a records for the relevant The following graph shows the market shares for software on web servers. Not known 16.77% Microsof HTTPAPI 1.85% Other 3.64% nginx Apache 63.60% 3.83% Microsoft IIS 10.31% IPv6 Domains with IPv6 web Records 9.35% Statistics show the number of domain in the registry that have web servers (), DNS servers () and mail servers () available using IPv6. IPv4

10 10 IPv6 Domains with IPv6 MX records 8.57% Records 75 5 Domains with IPv6 NS records 45.24% Records IPv4 IPv4 Website content Statistics show the results of an investigation into what the content is on websites for randomly selected.cz domains. For sale 3.0% Institution site 3.0% Error 6.0% Private site 7.0% E-shop 8.0% Directory 2.0% Blogs 2.0% News 1.0% Other 1.0% Company site 41.0% Not working 8.0% Parked 19.0%

11 11 Secure domain Year This statistic shows the growth of domains with dnssec secured from 2008 to Number or domain with dnssec THE NUMBER OF DOMAINS SECURED WITH DNSSEC IN % % % % Number of domain with DNSSEC in %.

12 CZ.NIC, z. s. p. o. Americká Praha 2 Czech Republic Phone (+420) Mobile (+420) Fax (+420) podpora@nic.cz kontakt@nic.cz This work is licensed under the creative commons attribution-noncommercial- share alike 3.0 Czech republic license. To view a copy of this license, visit Org/licenses/by-nc-sa/3.0/Cz/ or send a letter to creative commons: Creative Commons 171 Second Street, Suite 300 San Francisco, California, 94105, USA

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