Ck12.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...

Global Traffic Rank

23,116

Rank in the United States

1,611
67.9% Traffic Share

Safety/Trust

Safe

Child Safety

Safe

Registered

Dec 2006
17 years old

Visitors / Day*

219K
6.7M / month

Pageviews / Day*

498K
15M / month

Website Worth*

$3M

Revenue / Day*

$3.2K
$99K / month
*estimated
Information on this page was last updated on

About Ck12.org

The domain Ck12.org belongs to the generic Top-level domain .org. It holds a global ranking of 23,116 and is associated with the IPv4 addresses 108.138.85.6, 108.138.85.22, 108.138.85.29 and 108.138.85.90, as well as the IPv6 addresses 2600:9000:2509:1c00:8:f05f:c540:93a1, 2600:9000:2509:2400:8:f05f:c540:93a1, 2600:9000:2509:3a00:8:f05f:c540:93a1, 2600:9000:2509:5200:8:f05f:c540:93a1, 2600:9000:2509:5800:8:f05f:c540:93a1, 2600:9000:2509:7200:8:f05f:c540:93a1, 2600:9000:2509:9a00:8:f05f:c540:93a1 and 2600:9000:2509:b200:8:f05f:c540:93a1. the site appears to be safe for all users, including children. It shows no obvious signs of risk or harm. The domain has been registered 17 years ago with Network Solutions, LLC on Dec 2006. The site has its servers located in the United States and is run by the "Apache/2.4.41 (Ubuntu)" webserver software.

Trace an Email Address

Ck12.org Trust / Safety / Legit

Is ck12.org legit & safe for all ages? Uncover trustworthiness & child safety. Don't fall for scams, ensure secure browsing now!

Child Safety

Pros & Cons

Positive Signals

  • Good Site (37%)
  • Popular (51%)
  • Very aged domain (17 years old)

Industry

  • Non-Profit/Advocacy/NGO

Similar Websites and Competitors to Ck12.org

Top 15 similar sites to Ck12.org. Explore these sites like CK12 and find what you've been searching for!

Discover more sites like Ck12.org

Ck12.org Global Traffic Rank History

Explore the website's historical data on Global Traffic Rank and track its ranking trends over time.

Ck12.org Traffic Share by Country

Discover the Global Traffic Share by Country - Unraveling the Distribution of Website Visitors!

  1. United States 1,611
    149K (67.9%), 403K (80.9%)
    4.5M
  2. India 7,533
    9.7K (4.4%), 19K (3.8%)
    296K
  3. Canada 3,523
    7.3K (3.3%), 11K (2.1%)
    222K
  4. Australia 3,254
    6K (2.7%), 7.1K (1.4%)
    183K
  5. United Kingdom 8,853
    5.3K (2.4%), 5.2K (1.0%)
    161K
  6. Mexico 3,939
    5.3K (2.4%), 6.4K (1.3%)
    160K
  7. Philippines 1,384
    4.8K (2.2%), 5.7K (1.1%)
    147K
  8. Colombia 2,574
    2.8K (1.3%), 2.7K (0.5%)
    85K
  9. Argentina 7,043
    1.5K (0.7%), 1.3K (0.3%)
    47K
  10. Nigeria 5,561
    1.4K (0.7%), 1.3K (0.3%)
    44K
  11. Spain 19,544
    1.3K (0.6%), 1.4K (0.3%)
    41K
  12. Pakistan 7,437
    1.2K (0.6%), 1.2K (0.3%)
    37K
  13. South Africa 7,317
    1.2K (0.6%), 1.4K (0.3%)
    37K
  14. Ecuador 1,465
    1.2K (0.5%), 1.1K (0.2%)
    36K
  15. Malaysia 6,512
    1.1K (0.5%), 1.4K (0.3%)
    35K
  16. Peru 4,014
    1.1K (0.5%), 1.1K (0.2%)
    34K
  17. United Arab Emirates 3,652
    1.1K (0.5%), 2K (0.4%)
    33K
  18. Chile 6,332
    880 (0.4%), 750 (0.2%)
    27K
  19. Ireland 6,259
    880 (0.4%), 700 (0.1%)
    27K
  20. Venezuela 6,078
    810 (0.4%), 750 (0.2%)
    25K
  21. Japan 85,424
    790 (0.4%), 850 (0.2%)
    24K
  22. New Zealand 3,750
    660 (0.3%), 850 (0.2%)
    20K
  23. Singapore 9,917
    590 (0.3%), 1,000 (0.2%)
    18K
  24. Hong Kong 13,245
    500 (0.2%), 900 (0.2%)
    15K
  25. Dominican Republic 4,228
    500 (0.2%), 500 (0.1%)
    15K
  26. Thailand 16,068
    420 (0.2%), 700 (0.1%)
    13K
  27. Kenya 3,534
    420 (0.2%), 400 (0.1%)
    13K
  28. Guatemala 3,084
    420 (0.2%), 400 (0.1%)
    13K
  29. Germany 91,145
    390 (0.2%), 650 (0.1%)
    12K
  30. Puerto Rico 2,698
    370 (0.2%), 700 (0.1%)
    11K
  31. Netherlands 29,489
    330 (0.2%), 850 (0.2%)
    10K
  32. Panama 3,807
    310 (0.1%), 450 (0.1%)
    9.3K
  33. Egypt 19,114
    290 (0.1%), 450 (0.1%)
    8.7K
  34. Indonesia 33,839
    290 (0.1%), 400 (0.1%)
    8.7K
  35. El Salvador 3,406
    260 (0.1%), 250 (0.1%)
    8K
  36. Bolivia 3,282
    260 (0.1%), 250 (0.1%)
    8K
  37. Italy 76,720
    240 (0.1%), 500 (0.1%)
    7.3K
  38. Costa Rica 5,705
    240 (0.1%), 250 (0.1%)
    7.3K
  39. Trinidad and Tobago 3,171
    240 (0.1%), 250 (0.1%)
    7.3K
  40. Saudi Arabia 22,397
    220 (0.1%), 600 (0.1%)
    6.7K
  41. Brazil 72,893
    220 (0.1%), 550 (0.1%)
    6.7K
  42. South Korea 62,780
    220 (0.1%), 300 (0.1%)
    6.7K
  43. Sri Lanka 9,072
    220 (0.1%), 200 (0.0%)
    6.7K
  44. France 123,716
    200 (0.1%), 300 (0.1%)
    6K
  45. Ethiopia 7,346
    200 (0.1%), 200 (0.0%)
    6K
  46. Tanzania 5,186
    200 (0.1%), 200 (0.0%)
    6K
  47. Nicaragua 2,943
    200 (0.1%), 200 (0.0%)
    6K
  48. Honduras 2,336
    200 (0.1%), 200 (0.0%)
    6K
  49. Kuwait 8,222
    180 (0.1%), 2K (0.4%)
    5.3K
  50. Turkey 50,954
    180 (0.1%), 200 (0.0%)
    5.3K
  51. Qatar 17,852
    180 (0.1%), 200 (0.0%)
    5.3K
  52. Zambia 2,273
    180 (0.1%), 150 (0.0%)
    5.3K
  53. Switzerland 32,142
    150 (0.1%), 300 (0.1%)
    4.7K
  54. Vietnam 32,086
    150 (0.1%), 250 (0.1%)
    4.7K
  55. Russia 206,955
    150 (0.1%), 200 (0.0%)
    4.7K
  56. Bangladesh 18,041
    150 (0.1%), 150 (0.0%)
    4.7K
  57. Nepal 3,599
    150 (0.1%), 150 (0.0%)
    4.7K
  58. Jamaica 1,641
    150 (0.1%), 150 (0.0%)
    4.7K
  59. China 312,420
    130 (0.1%), 650 (0.1%)
    4K
  60. Sweden 38,556
    130 (0.1%), 150 (0.0%)
    4K
  61. Uruguay 5,572
    130 (0.1%), 100 (0.0%)
    4K
  62. Taiwan 54,968
    110 (0.1%), 300 (0.1%)
    3.3K
  63. Ghana 6,928
    110 (0.1%), 100 (0.0%)
    3.3K
  64. Other Countries
    4K (1.8%), 5.8K (1.2%)
    121K

Ck12.org Subdomains

Discover Traffic Share by Subdomain, revealing the distribution of website traffic among various subdomains.

  1. ck12.org
    81.06%
  2. braingenie
    13.80%
  3. interactives
    0.84%
  4. gamma
    1.94%
  5. qa-tesla
    0.74%
  6. qa-courses
    0.65%
  7. flexmath
    0.27%
  8. stoodle
    0.07%
  9. qa-flash
    0.12%
  10. qa-nike
    0.13%
  11. hints
    0.17%
  12. tesla
    0.09%

Ck12.org Server Location

Unveil the Server Location - Explore Where the Website's Servers are Physically Hosted!

Flag of the United StatesUnited States

Ck12.org Website Information

Uncover the website's purpose and content, complemented by relevant focus keywords.

  • Website Summary

    Ck12.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.

  • Title

    CK12-Foundation

  • Website Host

    https://www.ck12.org

  • Main Language

    n/a

  • Inbound Links

    7,514

Ck12.org Web Server

Discover essential Web Server Information: server software, page load time, and website language at your fingertips!

Webserver Software

Apache/2.4.41 (Ubuntu)

Median Page Load Time

2.079 seconds
slower than 54% of other websites

Ck12.org WHOIS Data

Discover comprehensive domain registration details and more with the accessible Whois data information right here!

Domain Registered

Dec 16Q3k\c/jO, ;}QhLIupm2W2Bm%WFU009RwC6zjyU*oD10M!
17 years, 4 months and 4 days ago

Domain Updated

OTzC_c-}{{DKaN@I|tykk8o)` U<zp2<euaC"$[2V6m:i,1=]AfN[wXV 20eS$l9+FG^:2s#OHYa"MW2M3+x\^
1 year, 5 months and 29 days ago

Domain Expiry

DvT,lWgt4ecQS-gj 5A8@BP^$16,Ft&x7IT$a 2Ks00@u21A'\)pER86]7
in 3 years, 7 months and 26 days

Registrar

Network Solutions, LLC
http://www.networksolutions.com

WHOIS Server

whois.networksolutions.com

Domain Status

clienttransferprohibited

Nameservers

ns-1136.awsdns-14.org[more]

DNSSEC

unsigned

Ck12.org DNS Resource Records

Unlock the full potential of the domain with a comprehensive review of its DNS configuration, including SOA, A, AAAA, MX, NS, and TXT records.

A Records

@  IN  A  108.138.85.6
@  IN  A  108.138.85.22
@  IN  A  108.138.85.29
@  IN  A  108.138.85.90

TXT Records

@  IN  TXT  "google-site-verification=5I-w_GO6CfZA1FDARhrWTvsloNHQJnWB3WpzO96Q5mI"
@  IN  TXT  "google-site-verification=E3NQxLaOaxNDjKuRkg4JntlxjO0OkaV7R1i0iMIVMMI"
@  IN  TXT  "v=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"

SOA Record

@  IN SOA  ns-161.awsdns-20.com. awsdns-hostmaster.amazon.com
(
        1 ; serial
     7200 ; refresh (2 hours)
      900 ; retry (15 minutes)
  1209600 ; expire (14 days)
    86400 ; minimum (1 day)
)

Similar Domain Names like Ck12.org

Websites with similar domain names, indicating related or similar web addresses.

Similar Traffic Rank like Ck12.org

Websites that have comparable levels of popularity or visitor traffic.

Related Keywords

Explore related keywords for the domain name in search engines.

  • ck12 flexi
  • ck12 simulations
  • ck 12 chemistry
  • ck12 flexbook
  • ck12 class code

Ck12 org Frequently Asked Questions (FAQ)

Unveiling the Most Asked Questions - Ck12.org Demystified!