WEBA CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. [1] The term was coined in 2003 by Luis von Ahn , Manuel Blum , Nicholas J. Hopper, and John Langford . [2]
List of domain same IP 128.2.172.14
GLOBAL RANK
Alexa Reach
Page length
Alexa Rank Country N/A
Daily Unique Visitors
Monthly Unique Visitors
United States
24,496
Indonesia
19,160
Taiwan
6,230
United Kingdom
5,531
Brazil
5,005
Nigeria
4,375
Egypt
3,676
Hong Kong
3,470
Canada
3,470
Australia
3,023
Philippines
2,164
India
2,107
Malaysia
2,073
Spain
1,718
Germany
1,672
Mexico
1,603
France
1,512
Italy
1,397
Turkey
1,283
Iraq
1,168
Thailand
1,145
Netherlands
1,099
Israel
1,088
Cambodia
905
Algeria
699
Ireland
630
Romania
607
Jordan
561
Poland
538
Ghana
515
Argentina
492
South Africa
447
Belgium
401
Czechia
366
Ukraine
344
Japan
344
Morocco
332
South Korea
321
Lebanon
309
Saudi Arabia
298
Austria
286
Hungary
275
Sweden
263
Singapore
252
Pakistan
240
Bangladesh
229
Denmark
218
Greece
206
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Host | Type | Class | TTL | Extra |
captcha.net | SOA | IN | 21600 | Mname: blox-dhcp.net.local.cmu.edu Rname: host-master.andrew.cmu.edu Serial: 2017101753 Refresh: 10800 Retry: 3600 Expire: 2419200 Minimum-ttl: 900 |
captcha.net | A | IN | 21600 | Ip: 128.2.172.14 |
captcha.net | NS | IN | 21600 | Target: nsauth-ib1.net.cmu.edu |
captcha.net | NS | IN | 21600 | Target: nsauth-ib2.net.cmu.edu |
IP | 128.2.172.14 |
Domain infomation | Domain Name: CAPTCHA.NET
Registry Domain ID: 57223217_DOMAIN_NET-VRSN Registrar WHOIS Server: whois.tucows.com Registrar URL: http://www.tucows.com Updated Date: 2022-01-07T18:54:37Z Creation Date: 2001-02-04T01:54:54Z Registry Expiry Date: 2026-02-04T01:54:54Z Registrar: Tucows Domains Inc. Registrar IANA ID: 69 Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.4165350123 Domain Status: ok https://icann.org/epp#ok Name Server: NSAUTH-IB1.NET.CMU.EDU Name Server: NSAUTH-IB2.NET.CMU.EDU DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/ >>> Last update of whois database: 2024-04-19T20:36:19Z <<< For more information on Whois status codes, please visit https://icann.org/epp NOTICE: The expiration date displayed in this record is the date the registrar's sponsorship of the domain name registration in the registry is currently set to expire. This date does not necessarily reflect the expiration date of the domain name registrant's agreement with the sponsoring registrar. Users may consult the sponsoring registrar's Whois database to view the registrar's reported date of expiration for this registration. TERMS OF USE: You are not authorized to access or query our Whois database through the use of electronic processes that are high-volume and automated except as reasonably necessary to register domain names or modify existing registrations; the Data in VeriSign Global Registry Services' ("VeriSign") Whois database is provided by VeriSign for information purposes only, and to assist persons in obtaining information about or related to a domain name registration record. VeriSign does not guarantee its accuracy. By submitting a Whois query, you agree to abide by the following terms of use: You agree that you may use this Data only for lawful purposes and that under no circumstances will you use this Data to: (1) allow, enable, or otherwise support the transmission of mass unsolicited, commercial advertising or solicitations via e-mail, telephone, or facsimile; or (2) enable high volume, automated, electronic processes that apply to VeriSign (or its computer systems). The compilation, repackaging, dissemination or other use of this Data is expressly prohibited without the prior written consent of VeriSign. You agree not to use electronic processes that are automated and high-volume to access or query the Whois database except as reasonably necessary to register domain names or modify existing registrations. VeriSign reserves the right to restrict your access to the Whois database in its sole discretion to ensure operational stability. VeriSign may restrict or terminate your access to the Whois database for failure to abide by these terms of use. VeriSign reserves the right to modify these terms at any time. The Registry database contains ONLY .COM, .NET, .EDU domains and Registrars. |