.ua
This articleneeds additional citations forverification.(July 2017) |
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Introduced | December 1, 1992 |
---|---|
TLDtype | Country code top-level domain |
Status | Active |
Registry | Hostmaster Ltd. |
Intended use | Entities connected withUkraine |
Actual use | Popular in Ukraine |
Registered domains | 549,180 (Jan 2021)[1] |
Registration restrictions | Must be the owner of a trade mark registered in Ukraine for second-level domains (and may only register if the domain name is the same as the trade mark); no restrictions for third-level domains |
Documents | Policy documents |
Dispute policies | Domain dispute resolution policy |
DNSSEC | Yes |
Registry website | Hostmaster |
.uais theInternetcountry codetop-level domain(ccTLD) forUkraine.To register at thesecond-level(example) domainname.ua, possession of the exact trademark (matching the domain name) is required. It is not required forthird-level domains(.ua,.net.ua, etc.).
History[edit]
- 1 December 1992: Registered in root zone
- 13 April 2012: DNSSEC enabled in root zone
- 26 February 2022: Domain servers transferred out ofKyivfor continuity reasons amid the2022 Russian invasion of Ukraine[2]
Statistics[edit]
As of March 2017, around 10.78% of all the.ua domains were served via secured HTTPS protocol, with theLet's EncryptAuthority X3 being the most popular SSL certificate.[3]Nginx is the most popular web server, serving 68.97% of the.ua domains, followed by Apache serving 17.75% of the total.ua domains.[3]
Third-level & second-level domains[edit]
To remove the risk ofcyber squatting,registration of second-level domains directly below.ua is restricted to owners of registered trade marks, who may register a domain name similar to that of the trade mark in question. However, third-level domains can be registered beneath some of the following:
- .ua: paid, commercial organizations
- .edu.ua: free, available only to proved educational organisations.
- .gov.ua: free, available only to governmental organizations
- .net.ua: paid, network service providers
- .in.ua: paid, domains for individuals
- .org.ua: paid, other organizations (non-commercial)
- .mil.ua: free, available only to armed forces
There are also second-level domains which are region-specific. These are less popular than the above list (making domain names more available) but they are sometimes restricted to organisations exclusively from within the region.
- .cherkasy.ua,.cherkassy.ua (ck.ua):Cherkasy Oblast
- .chernihiv.ua,.chernigov.ua (.cn.ua):Chernihiv Oblast
- .chernivtsi.ua,.chernovtsy.ua (cv.ua):Chernivtsi Oblast
- .yalta.ua,.crimea.ua:Yalta,Crimea
- .dnipropetrovsk.ua,.dnepropetrovsk.ua (.dp.ua):Dnipropetrovsk Oblast
- .donetsk.ua (.dn.ua):Donetsk Oblast
- .ivano-frankivsk.ua (.if.ua):Ivano-Frankivsk Oblast
- .kharkiv.ua,.kharkov.ua (.kh.ua):Kharkiv Oblast
- .kherson.ua (.ks.ua):Kherson Oblast[4]
- .khmelnitskiy.ua (.km.ua):Khmelnytskyi Oblast
- .kropyvnytskyi.ua,.kirovograd.ua (.kr.ua):Kirovohrad Oblast
- .kyiv.ua,.kiev.ua:Kyiv
- .lugansk.ua (.lg.ua):Luhansk Oblast
- .lutsk.ua,.volyn.ua (.lt.ua):Lutsk,Volyn Oblast
- .lviv.ua:Lviv Oblast
- .mykolaiv.ua,.nikolaev.ua (.mk.ua):Mykolaiv Oblast
- .odesa.ua,.odessa.ua (.od.ua):Odesa Oblast
- .poltava.ua (.pl.ua):Poltava Oblast
- .rivne.ua,.rovno.ua (.rv.ua):Rivne Oblast
- .sebastopol.ua:Sevastopol
- .sumy.ua (.sm.ua)-Sumy Oblast
- .ternopil.ua (.te.ua):Ternopil Oblast
- .uzhgorod.ua (.uz.ua):Uzhhorod
- .vinnytsia.ua,.vinnica.ua (.vn.ua):Vinnytsia Oblast
- .zaporizhzhe.ua (.zp.ua):Zaporizhzhia Oblast
- .zhitomir.ua (.zt.ua):Zhytomyr Oblast
Reserved domain names[edit]
- .cr.ua:Crimea
- .khmelnytskyi.ua:Khmelnytskyi Oblast
- .krym.ua:Crimea
- .kv.ua:Kyiv
- .lv.ua:Lviv Oblast
- .luhansk.ua:Luhansk Oblast
- .sb.ua:Sevastopol
- .sevastopol.ua:Sevastopol
- .sicheslav.ua:Dnipropetrovsk Oblast
- .uzhhorod.ua:Uzhhorod
- .zakarpattia.ua:Zakarpattia Oblast
- .zaporizhzhia.ua:Zaporizhzhia Oblast
- .zhytomyr.ua:Zhytomyr Oblast
Technological domains[edit]
- admin.ua
- ipv6.ua
- ns.ua
- ua.ua
- ua
- xn--mqa.ua
- dnssec.ua
- rdap.ua
- epp1.ua
- epp2.ua
See also[edit]
- .укр,a second top domain for Ukraine, active from 2013, which has domains with Cyrillic characters.
- Internet in Ukraine
References[edit]
- ^"Доменна статистика.UA за підсумками 2020 року".hostmaster.ua(in Ukrainian). 2021-01-22.Retrieved2021-02-01.
- ^"Сервера домену.UA переведено до країн Європи".hostmaster.ua(in Ukrainian). 2022-02-26.Retrieved2022-02-27.
- ^ab"Статистика українського інтернету".ukralio(in Ukrainian). Archived fromthe originalon 2017-02-17.Retrieved2017-03-01.
- ^"NIC.KS.UA".Archived fromthe originalon 1 October 2021.Retrieved17 October2022.