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• Global Search
• Organisations
• Miscellaneous

• Country Resources 

• Alldomains - Search for domain names throughout the world
• The APNIC WHOIS database
• The ARIN WHOIS database
• MarksOnline allows for wildcard domain name searching in the .com, .org and .net Top Level Domains.
• NameEngine searches every functional top-level domain in the DNS system, including, .com, .net, .org and ccTLDs.
• The NSI Registry - The Registry database contains ONLY .COM, .NET, .ORG, .EDU domains and Registrars.
  .com Commercial
  .edu Educational
  .gov US Government
  .int International Organizations
  .mil US Dept of Defense
  .net Networks
  .org Organizations
• The RIPE WHOIS database
• UWHOIS - covers over 246 ccTLDs and the .com, .net, .org domains

• APNIC - Asia-Pacific Network Information Centre (Asia Pacific Region)
• ARIN - American Registry for Internet Numbers (Americas and Southern Africa)
• CENTR - Council of European National Top-Level Domain Registries
• CORE - Internet Council of Registrars
• IANA - Internet Assigned Numbers Authority
• ICANN - The Internet Corporation for Assigned Names and Numbers
• RIPE NNC - Réseaux IP Européens Network Coordination Centre (Europe and Surrounding Areas)

• A list of Domain Registries around the world hosted on the NORID website.
• A list of Domain Registries around the world hosted on the Domainit website
• ApexDomains.com
  "ApexDomains.com is a domain name brokerage specializing in auctions of patent domains, science domains, technology domains, and other premium domain names."

A

• Algeria (.dz) - Search the Domain name Registry or view the list of Registered domain names
• Afghanistan (.af)
• Albania (.al)
• Aland Islands (.ax)
• American Somoa (.as) - Search the Domain Name Registry
• Andorra (.ad) - List of Domain Names of 
• Antigua and Barbuda (.ag) - Search the Domain Name Registry
• Antarctica (.aq)
• Angola (.ao) - Search the Domain Name Registry
• Anguilla - Search the Domain Name Registry
• Argentina (.ar) - Search by AR registered domain names or AR registered persons, entities and DNS 
• Armenia (.am) - Search the WHOIS Domain Name Registry
• Aruba (.aw)
• Ascension Islands (.ac) - Search the WHOIS Domain Name Registry
• Australia (.au) - AUNIC provides a collection of utilities and on-line forms for the management of Internet Domain Names within the .au Australian country code
• Austria (.at) - Search the Domain Name Registry
• Azerbaijan (.az)

B

• Bahamas (.bs) - Search the Domain Name Registry
• Bahrain (.bh)
• Bangladesh (.bd) - Search the Domain Name Registry
• Barbados (.bb)
• Belarus (.by)
• Belguim (.be) - The DNS-BE Registration Office provides information concerning the registration of a name in the toplevel .be domain, including the availability.
• Belize (.bz) - Search the Domain Name Registry
• Benin (.bj)
• Bermuda (.bm) - Search the WHOIS Domain Name Registry
• Bhutan (.bt) - Search the Domain Name Registry
• Bolivia (.bo) - Search the Domain name registry
• Bosnia and Herzegovina (.ba)
• Botswana (.bw)
• Bouvet Island (.bv)
• Brazil (.br) - Search the WHOIS database 
• British Virgin Islands (.vg) - Search AdamsNames WHOIS database
• Brunei Darussalam (.bn)
• Bulgaria (.bg) - Search the Domain Name Registry
• Burundi (.bi)

C

• Cameroon (.cm)
• Canada (.ca) - Search the Domain Name Registry of Canada through Internic.ca
• Cape Verde (.cv)
• Cayman Islands (.ky) - Search the WHOIS Domain Name Registry
• Central African Republic (.cf)
• Chile (.cl) - Search the Domain Name Registry
• China (.cn) - Search the Domain Name Registry
• Christmas Island (.cx) - Search the Domian Name Registry
• Cocos (Keeling) Islands (.cc) - Search the WHOIS Domain Name Registry
• Colombia (.co) - Search the Domain Name Registry
• Congo, The Democratic Republic of the (.cd) - Search the WHOIS Domain Name Registry
• Congo, Republic of (.cg) - Search the WHOIS Domain Name Registry
• Cook Islands (.ck) - Search the Domain Name Registry
• Costa Rica (.cr) - Search the Domain Name Registry
• Cote d'Ivoire (.ci)
• Croatia (.hr) - Search the Domain Name Registry
• Cuba (.cu)
• Cyprus (.cy) - Search the WHOIS Domain Name Registry
• Czech Republic (.cz)

D

• Denmark (.dk) - Search the WHOIS Domain Name Registry
• Dominican Republic (.do) - Search the WHOIS Domain Name Registry

E

• El Salvador (.sv) - Search the Domain Name Registry
• Estonia (.ee) - Search the Domain Name Registry

F

• Fiji (.fj) - Search the WHOIS Domain Name Registry
• Finland (.fi) - Search the Domain Name Registry
• France (.fr) - Search the Domain Name Registry
• French Southern Territories (.tf) - Search AdamsNames WHOIS database

G

• Georgia (.ge) - Search the Domain Name Registry
• Germany (.de) - Search the WHOIS Domain Name Registry
• Greece (.gr) - Search the WHOIS Domain Name Registry
• Guam (.gu) - Search the Domain Name Registry
• Guatemala (.gt) - Search the Domain Registry or the WHOIS

H

• Heard and McDonald Islands (.hm) - Search the WHOIS Domain Name Registry
• Hong Kong (.hk) - Search the Domain Name Registry
• Hungary (.hu) - Search the Domain Name Registry

I

• Iceland (.is) - Search the WHOIS Registry
• Ireland (.ie) - Search the Domain Name Registry
• India (.in) - Check for availability and the WHOIS Domain Name Registry
• Indonesia (.id) - Search the WHOIS Domain Name Registry
• Isle of Man (.im) - Search the Domain Name Registry
• Israel (.il) - Search the WHOIS Domain Name Registry
• Italy (.it) - Search the WHOIS Domain Name Registry and WAIS database

J

• Japan (.jp) - Search the WHOIS Domain Name Registry
• Jordan (.jo) - Search the Domain Name Registry or view the list

K

• Kazakhstan (.kz) - Search the Domain Name Registry
• Korea (.kr) - Search the WHOIS Domain Name Registry
• Kuwait (.kw) - Search the Domain Name Registry
• Kyrgyzstan (.kg) - Search the WHOIS Domain Name Registry

L

• Latvia (.lv) - Search the Domain name registry
• Lebanon (.lb) - Search the Domain Name Registry
• Liechtenstein (.li) - Search the Domain name registry hosted on the SWITCH website
• Lithuania (.lt) - Search the WHOIS Domain Name Registry
• Luxembourg (.lu) - Search the WHOIS Domain Name Registry

M

• Malta (.mt) - Search the WHOIS Domain Name Registry or view the list
• Malawi (.mw) - Search the WHOIS Domain Name Registry
• Malaysia (.my) - Check for availability of domain names
• Mexico (.mx) - Search the WHOIS Domain Name Registry
• Micronesia (.fm) - Search the WHOIS Domain Name Registry
• Moldova (.md) - Check for availability of domain names
• Monaco (.mc) - List of Domain Names
• Mongolia (.mn) - Check for availability of domain names
• Montserrat (.ms) - Search AdamsNames WHOIS database

N

• Nambia (.na) - Search the WHOIS Domain Name Registry
• Nepal (.np) - Search the domain name registry
• Netherlands (.nl) - Search the WHOIS Domain Name Registry
• Netherlands Antilles (.nc) - List of Domain names
• New Caledonia (.nc) - List of Domain names
• New Zealand (.nz) - Domain name register hosted on the Domainz website
• Nicaragua (.ni) - List of Domain names
• Niue (.nu) - Search the Domain Name Registry
• Norway (.no) - Search the WHOIS Domain name Registry

P

• Pakistan (.pk) - Check on the records of Domain Names
• Panama (.pa) - Search the WHOIS Domain Name Registry
• Paraguay (.py) - Search the Domain Name Registry
• Peru (.pe) - Search the Domain Name Registry
• Philippines (.ph) - Search the WHOIS Domain Name Registry
• Poland (.pl) - Search the WHOIS Domain Name Registry
• Portugal (.pt) - Search the Domain Name Registry
• Puerto Rico (.pr) - Check for availability

R

• Romania (.ro) - Search the WHOIS Domain Name Registry
• Russia (.ru/.su) - WHOIS server for the Russian Institute for Public Networks
• Rwanda (.rw) - Search the WHOIS Domain Name Registry

S

• Samoa (.ws) - Search the Domain Name Registry
• San Marino (.sm) - Search the WHOIS Domain Name Registry hosted on RIPE
• Sao Tome (.st) - Search the Domain Name Registry
• Saudi Arabia (.sa) - Search the WHOIS Domain Name Registry
• Singapore (.sg) - Search the WHOIS Domain Name Registry
• Slovakia (.sk) - List of Domain Names
• Solomon Islands (.sb) - Search the Domain Name registry
• South African Companies (.co.za) - Search the Registry
• South African Organisations (.org.za) - Search the Registry
• South Georgia and the South Sandwich Islands (.gs) - Search AdamsNames WHOIS database
• Spain (.es) - Search the WHOIS Domain Name Registry
• Sri Lanka (.lk) - Check the Domain Name Registry
• St Helena (.sh) - Search the WHOIS Domain Name Registry
• Sweden (.se) - Search the Domain Name Registry
• Switzerland (.ch) - Search the Domain Name Registry hosted on the SWITCH website

T

• Tajikistan (.tj) - Search the Domain Name Registry
• Thailand (.th) - Search the WHOIS registry
• Tonga (.to) - Search the Domain Name Registry
• Tuvalu (.tv) - Search the Domain Name Registry
• Turkey (.tr) - Search the Domain Name Registry
• Turks and Caicos Islands (.tc) - Search AdamsNames WHOIS database

U

• United Arab Emirates (.ae) - Search the Domain Name Registry of the 
• United Kingdom (.uk) - Searchable Domain Name Register hosted on the Nominet website
• United States (.us)- Search the Domain Name Registry
• USPTO - Trademark Examination of Internet Domain Names

V

• Vanuatu (.vu) - Search the Domain Name Registry
• Venezuela (.ve) - Search the Domain Name Registry
• Virgin Islands (.vi) - Search the WHOIS Domain Name Registry

Y

• Yugoslavia (.yu) - Search the Domain Name Registry