What Is My IP:
🇺🇸 18.207.161.67

Ck12.org

Domain Summary

Domain Nameck12
Global Traffic Rank1,702
Estimated Visitors598,000 / Day
Estimated Page Impressions1.4 Million / Day
Domain Creation Date
Domain Age
IP Addresses4 × IPv4 and 8 × IPv6
Web Server Location🇺🇸 United States
Updated:

Frequently Asked Questions (FAQ)

When was Ck12.org registered?

Ck12.org was registered 5513 days ago on Saturday, December 16, 2006.

When will Ck12.org expire?

This domain will expire in 330 days on Friday, December 16, 2022.

When was the WHOIS for Ck12.org last updated?

The WHOIS entry was last updated 1420 days ago on Thursday, March 1, 2018.

What are Ck12.org's nameservers?

DNS for Ck12.org is provided by the following nameservers:
  • ns-1136.awsdns-14.org
  • ns-161.awsdns-20.com
  • ns-1687.awsdns-18.co.uk
  • ns-977.awsdns-58.net

Who is the registrar for the Ck12.org domain?

The domain has been registered at Network Solutions, LLC. You can visit the registrar's website at http://www.networksolutions.com. The registrar's WHOIS server can be reached at whois.networksolutions.com.

What is the traffic rank for Ck12.org?

Ck12.org ranks 1,702 globally on Alexa.

How many people visit Ck12.org each day?

Ck12.org receives approximately 598,000 visitors and 1.4 Million page impressions per day.

From which countries does Ck12.org receive most of its visitors from?

Ck12.org is mostly visited by people located in the United States, India and Canada.

What IP addresses does Ck12.org resolve to?

Ck12.org resolves to 4 IPv4 addresses and 8 IPv6 addresses:
  • 99.84.250.58
  • 99.84.250.105
  • 99.84.250.110
  • 99.84.250.112
  • 2600:9000:2198:1e00:8:f05f:c540:93a1
  • 2600:9000:2198:2e00:8:f05f:c540:93a1
  • 2600:9000:2198:7000:8:f05f:c540:93a1
  • 2600:9000:2198:7c00:8:f05f:c540:93a1
  • 2600:9000:2198:7e00:8:f05f:c540:93a1
  • 2600:9000:2198:a200:8:f05f:c540:93a1
  • 2600:9000:2198:d200:8:f05f:c540:93a1
  • 2600:9000:2198:ec00:8:f05f:c540:93a1

In what country are Ck12.org servers located in?

Ck12.org has servers located in the United States.

What webserver software does Ck12.org use?

Ck12.org is powered by "Apache/2.4.18 (Ubuntu)" webserver.

Domain WHOIS Record

Domain Nameck12.org
Domain Extensionorg
Top-Level Domain (TLD).org
TLD TypeGeneric Top-Level Domain (gTLD)
RegistrarNetwork Solutions, LLC
Registrar WHOIS Serverwhois.networksolutions.com
Registrar URLhttp://www.networksolutions.com Visit http://www.networksolutions.com
Domain Updated Date
Domain Creation Date
Domain Expiry Date
Domain Status
  • clienttransferprohibited
Nameservers
  • ns-1136.awsdns-14.org
  • ns-161.awsdns-20.com
  • ns-1687.awsdns-18.co.uk
  • ns-977.awsdns-58.net
DNSSECunsigned
.org Sponsoring OrganisationPublic Interest Registry (PIR)
.org WHOIS Serverwhois.pir.org
.org Registry URLhttp://www.pir.org Visit http://www.pir.org

IP Address and Server Location

🇺🇸 United States

LocationUnited States
Latitude37.7510 / 37°45′3″ N
Longitude-97.8220 / 97°49′19″ W
TimezoneAmerica/Chicago
Local Time
IPv4 Addresses
  • 99.84.250.58
  • 99.84.250.105
  • 99.84.250.110
  • 99.84.250.112
IPv6 Addresses
  • 2600:9000:2198:1e00:8:f05f:c540:93a1
  • 2600:9000:2198:2e00:8:f05f:c540:93a1
  • 2600:9000:2198:7000:8:f05f:c540:93a1
  • 2600:9000:2198:7c00:8:f05f:c540:93a1
  • 2600:9000:2198:7e00:8:f05f:c540:93a1
  • 2600:9000:2198:a200:8:f05f:c540:93a1
  • 2600:9000:2198:d200:8:f05f:c540:93a1
  • 2600:9000:2198:ec00:8:f05f:c540:93a1

Website and Web Server Information

Website AbstractCk12.org : CK12, a non-profit organization launched in 2006, aims to reduce the cost of textbook materials for the K-12 market both in the US and worldwide. Using an open-source, collaborative, and web-based compilation model that can be manifested as an adaptive textbook - termed the "FlexBook", CK12 intends to pioneer the generation and distribution of high quality educational web texts.
Website TitleFree Online Textbooks, Flashcards, Adaptive Practice, Real World Examples, Simulations | CK-12 Foundation
Website DescriptionCK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history
Website Hosthttps://www.ck12.org
Server SoftwareApache/2.4.18 (Ubuntu)
Median Page Load Time2.079 seconds
Number of Sites Linking In7,514

DNS Resource Records

NameTypeData
@SOAns-161.awsdns-20.com. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
🇺🇸 @A99.84.250.58
🇺🇸 @A99.84.250.105
🇺🇸 @A99.84.250.110
🇺🇸 @A99.84.250.112
🇺🇸 @AAAA2600:9000:2198:1e00:8:f05f:c540:93a1
🇺🇸 @AAAA2600:9000:2198:2e00:8:f05f:c540:93a1
🇺🇸 @AAAA2600:9000:2198:7000:8:f05f:c540:93a1
🇺🇸 @AAAA2600:9000:2198:7c00:8:f05f:c540:93a1
🇺🇸 @AAAA2600:9000:2198:7e00:8:f05f:c540:93a1
🇺🇸 @AAAA2600:9000:2198:a200:8:f05f:c540:93a1
🇺🇸 @AAAA2600:9000:2198:d200:8:f05f:c540:93a1
🇺🇸 @AAAA2600:9000:2198:ec00:8:f05f:c540:93a1
@MX10 aspmx.l.google.com
@MX30 alt1.aspmx.l.google.com
@MX30 alt2.aspmx.l.google.com
@MX50 aspmx2.aspmx.l.google.com
@MX50 aspmx4.aspmx.l.google.com
@MX50 aspmx5.aspmx.l.google.com
@MX50 mail.ck12.org
@NSns-1136.awsdns-14.org
@NSns-161.awsdns-20.com
@NSns-1687.awsdns-18.co.uk
@NSns-977.awsdns-58.net
@TXTgoogle-site-verification=5I-w_GO6CfZA1FDARhrWTvsloNHQJnWB3WpzO96Q5mI
@TXTgoogle-site-verification=E3NQxLaOaxNDjKuRkg4JntlxjO0OkaV7R1i0iMIVMMI
@TXTv=spf1 ip4:174.129.252.43 ip4:63.236.100.0/24 ip4:66.77.16.0/24 include:emsd1.com include:amazonses.com include:_spf.google.com include:mail.zendesk.com -all
@ represents the DNS zone origin ck12.org as often found in BIND zone files

Traffic Summary

Global Traffic RankEstimated Monthly VisitorsEstimated Monthly Pageviews
1,70218.2 Million41.3 Million

Traffic Statistics by Country

CountryTraffic RankPageviewsVisitors
🇺🇸 United States1,61180.9%67.9%
🇮🇳 India7,5333.8%4.4%
🇨🇦 Canada3,5232.1%3.3%
🇦🇺 Australia3,2541.4%2.7%
🇬🇧 United Kingdom8,8531.0%2.4%
🇲🇽 Mexico3,9391.3%2.4%
🇵🇭 Philippines1,3841.1%2.2%
🇨🇴 Colombia2,5740.5%1.3%
🇦🇷 Argentina7,0430.3%0.7%
🇳🇬 Nigeria5,5610.3%0.7%
🇪🇸 Spain19,5440.3%0.6%
🇵🇰 Pakistan7,4370.3%0.6%
🇿🇦 South Africa7,3170.3%0.6%
🇪🇨 Ecuador1,4650.2%0.5%
🇲🇾 Malaysia6,5120.3%0.5%
🇵🇪 Peru4,0140.2%0.5%
🇦🇪 United Arab Emirates3,6520.4%0.5%
🇨🇱 Chile6,3320.2%0.4%
🇮🇪 Ireland6,2590.1%0.4%
🇻🇪 Venezuela6,0780.2%0.4%
🇯🇵 Japan85,4240.2%0.4%
🇳🇿 New Zealand3,7500.2%0.3%
🇸🇬 Singapore9,9170.2%0.3%
🇭🇰 Hong Kong13,2450.2%0.2%
🇩🇴 Dominican Republic4,2280.1%0.2%
🇹🇭 Thailand16,0680.1%0.2%
🇰🇪 Kenya3,5340.1%0.2%
🇬🇹 Guatemala3,0840.1%0.2%
🇩🇪 Germany91,1450.1%0.2%
🇵🇷 Puerto Rico2,6980.1%0.2%
🇳🇱 Netherlands29,4890.2%0.2%
🇵🇦 Panama3,8070.1%0.1%
🇪🇬 Egypt19,1140.1%0.1%
🇮🇩 Indonesia33,8390.1%0.1%
🇸🇻 El Salvador3,4060.1%0.1%
🇧🇴 Bolivia3,2820.1%0.1%
🇮🇹 Italy76,7200.1%0.1%
🇨🇷 Costa Rica5,7050.1%0.1%
🇹🇹 Trinidad and Tobago3,1710.1%0.1%
🇸🇦 Saudi Arabia22,3970.1%0.1%
🇧🇷 Brazil72,8930.1%0.1%
🇰🇷 South Korea62,7800.1%0.1%
🇱🇰 Sri Lanka9,0720.0%0.1%
🇫🇷 France123,7160.1%0.1%
🇪🇹 Ethiopia7,3460.0%0.1%
🇹🇿 Tanzania5,1860.0%0.1%
🇳🇮 Nicaragua2,9430.0%0.1%
🇭🇳 Honduras2,3360.0%0.1%
🇰🇼 Kuwait8,2220.4%0.1%
🇹🇷 Turkey50,9540.0%0.1%
🇶🇦 Qatar17,8520.0%0.1%
🇿🇲 Zambia2,2730.0%0.1%
🇨🇭 Switzerland32,1420.1%0.1%
🇻🇳 Vietnam32,0860.1%0.1%
🇷🇺 Russia206,9550.0%0.1%
🇧🇩 Bangladesh18,0410.0%0.1%
🇳🇵 Nepal3,5990.0%0.1%
🇯🇲 Jamaica1,6410.0%0.1%
🇨🇳 China312,4200.1%0.1%
🇸🇪 Sweden38,5560.0%0.1%
🇺🇾 Uruguay5,5720.0%0.1%
🇹🇼 Taiwan54,9680.1%0.1%
🇬🇭 Ghana6,9280.0%0.1%
Other Countries1.2%1.8%

Traffic Statistics by Subdomain

SubdomainVisitorsPageviewsPageviews per Visitor
ck12.org94.08%81.06%2.9
braingenie.ck12.org3.72%13.80%12.6
interactives.ck12.org1.07%0.84%2.7
gamma.ck12.org0.99%1.94%6.7
qa-tesla.ck12.org0.38%0.74%6.6
qa-courses.ck12.org0.29%0.65%7.6
flexmath.ck12.org0.15%0.27%6.0
stoodle.ck12.org0.12%0.07%2.0
qa-flash.ck12.org0.07%0.12%5.7
qa-nike.ck12.org0.06%0.13%7.6
hints.ck12.org0.05%0.17%12.5
tesla.ck12.org0.03%0.09%8.4

Websites with Similar Names

ck12.app
ck12.com
ck12.info
ck12.it
ck12.net
ck120.com
ck120.xyz
ck1200.com
ck121.xyz
ck1212.tokyo

Related Keywords

ck12

See also: Alexa Top Sites Rank 1701 - 1800