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CK12.org

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CK12-Foundation - CK-12 Foundation provides a library of free online textbooks, videos, exercises, flashcards, and real world applications for over 5000 concepts from arithmetic to history

CK-12 Foundation

CK12.org(CK-12 Foundation) Screenshot
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Global Rank
185K
Daily Visitors
32K
Bounce Rate
57%
Load Time
4.232S

Site Traffic

Daily Visitors by Country / Region

Where do visitors to CK12.org come from?

# Country / Region Visitors Percentage Rank
1 HK Hong Kong 15,000 47.53% -
2 TW Taiwan 14,000 43.64% -
3 SG Singapore 2,000 6.4% #30,494
4 CN China 500 1.59% -
5 JP Japan 90 0.28% -
6 CA Canada 60 0.18% #172,647
7 US United States 60 0.18% #53,607
8 GB United Kingdom 40 0.11% #251,597
9 NL Netherlands 40 0.11% -

Daily Visitors (Last 30 days)

The line chart below illustrates the daily number of visitors to CK12.org over the past 30 days.

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Daily Visitors by Subdomain

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Daily Visitors by Keyword

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Linking In & Out

Which websites do visitors originate from, and subsequently navigate to?

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Site Domain

Domain profile

Below is the domain registration information for CK12.org.

Domain Name: CK12.org
Domain Age: 19 years
Time Left: 2 years
Domain Owner: -
Owner's Email: [email protected]
Name server:
Domain Status:
  • clientDeleteProhibited
  • clientTransferProhibited
  • clientUpdateProhibited
Updated Date: 2025-08-07
Creation Date: 2006-12-16
Expiration Date: 2028-12-16
Sponsor: Amazon Registrar, Inc.
Sponsor URL: http://registrar.amazon.com

See Domain WHOIS

Domain WHOIS

WHOIS is a standardized protocol for querying domain registration records, such as ownership details and expiration dates. The following data represents the WHOIS information for CK12.org. For comprehensive documentation, visit [ICANN WHOIS Lookup ].

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DNS Record

The Domain Name System (DNS) operates as a hierarchical distributed database that resolves domain names (e.g., CK12.org) to corresponding IP addresses. Its resource records define technical specifications for domain operations. The following table presents the DNS records of CK12.org, adhering to IETF protocol specifications.

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Name Server

The table below provides the authoritative name server (NS) records for CK12.org, which define the DNS servers managing the domain’s resolution. These entries comply with RFC 1035 standards for DNS resource records.

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Site Server

Server Location

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Site Referrals

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Other sites hosted on the same server

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Other sites owned

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