Robot | Path | Permission |
GoogleBot | / | ✔ |
BingBot | / | ✔ |
BaiduSpider | / | ✔ |
YandexBot | / | ✔ |
Title | Welcome to CK-12 Foundation | CK-12 Foundation |
Description | N/A |
Keywords | N/A |
WebSite | www.ck12.org |
Host IP | 99.84.41.66 |
Location | Seattle, Washington, United States |
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US$3,243,506
Last updated: Sep 17, 2021
Ck12.org has global traffic rank of 20,182 and ranks the 1,165th in United States. Its global rank has gone down by 17,022 positions since 3 months ago. Ck12.org has an estimated worth of US$ 3,243,506, based on its estimated Ads revenue. Ck12.org receives approximately 160,113 unique visitors each day. Its web server is located in Seattle, Washington, United States, with IP address 99.84.41.66. According to SiteAdvisor, ck12.org is safe to visit. |
Purchase/Sale Value | US$3,243,506 |
Daily Ads Revenue | US$1,777 |
Monthly Ads Revenue | US$53,317 |
Yearly Ads Revenue | US$648,701 |
Daily Unique Visitors | 160,113 |
Note: All traffic and earnings values are estimates. |
Global Rank | 20,182 |
Delta (90 Days) | ⬇️ 17,022 |
Most Popular In Country | United States |
Country Rank | 1,165 |
Host | Type | TTL | Data |
ck12.org | A | 60 | IP: 13.224.210.58 |
ck12.org | A | 60 | IP: 13.224.210.115 |
ck12.org | A | 60 | IP: 13.224.210.37 |
ck12.org | A | 60 | IP: 13.224.210.60 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:8000:8:f05f:c540:93a1 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:1a00:8:f05f:c540:93a1 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:ca00:8:f05f:c540:93a1 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:fa00:8:f05f:c540:93a1 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:a000:8:f05f:c540:93a1 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:3a00:8:f05f:c540:93a1 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:9600:8:f05f:c540:93a1 |
ck12.org | AAAA | 60 | IPv6: 2600:9000:20ed:c400:8:f05f:c540:93a1 |
ck12.org | MX | 120 | Priority: 30 Target: alt1.aspmx.l.google.com. |
ck12.org | MX | 120 | Priority: 30 Target: alt2.aspmx.l.google.com. |
ck12.org | MX | 120 | Priority: 50 Target: aspmx2.aspmx.l.google.com. |
ck12.org | MX | 120 | Priority: 50 Target: aspmx4.aspmx.l.google.com. |
ck12.org | MX | 120 | Priority: 50 Target: aspmx5.aspmx.l.google.com. |
ck12.org | MX | 120 | Priority: 50 Target: mail.ck12.org. |
ck12.org | MX | 120 | Priority: 10 Target: aspmx.l.google.com. |
ck12.org | NS | 21600 | Target: ns-161.awsdns-20.com. |
ck12.org | NS | 21600 | Target: ns-1687.awsdns-18.co.uk. |
ck12.org | NS | 21600 | Target: ns-977.awsdns-58.net. |
ck12.org | NS | 21600 | Target: ns-1136.awsdns-14.org. |
ck12.org | TXT | 120 | TXT: google-site-verification=5I-w_GO6CfZA1FDARhrWTvsloNHQJnWB3WpzO96Q5mI |
ck12.org | TXT | 120 | TXT: google-site-verification=E3NQxLaOaxNDjKuRkg4JntlxjO0OkaV7R1i0iMIVMMI |
ck12.org | TXT | 120 | 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 |
ck12.org | SOA | 900 | MNAME: ns-161.awsdns-20.com. RNAME: awsdns-hostmaster.amazon.com. Serial: 1 Refresh: 7200 Retry: 900 Expire: 1209600 Minimum TTL: 86400 |
HTTP/1.1 301 Moved Permanently Server: CloudFront Date: Fri, 17 Sep 2021 03:32:37 GMT Content-Type: text/html Content-Length: 183 Connection: keep-alive Location: https://ck12.org/ X-Cache: Redirect from cloudfront Via: 1.1 03e4d3b42a136dd5df035a167106f809.cloudfront.net (CloudFront) X-Amz-Cf-Pop: EWR50-C1 X-Amz-Cf-Id: 1bUwlfDH5n5eYjQKVhHgxvcUyXnUp5S1SCbOn70hUfQW1LiX_mpVUA== HTTP/2 301 content-length: 0 location: https://www.ck12.org/ date: Thu, 16 Sep 2021 22:47:33 GMT x-cache: Hit from cloudfront via: 1.1 b6217766ccd41d69658fea04297b7c24.cloudfront.net (CloudFront) x-amz-cf-pop: EWR50-C1 x-amz-cf-id: 7a38vzhkXeRdxv5Qn-iz0DFDaTCpOsUDR9mT_KGImKNSSsAHxfaaRw== age: 17104 HTTP/2 302 content-type: text/plain; charset=UTF-8 content-length: 108 location: http://www.ck12.org/student/ access-control-allow-credentials: true access-control-allow-headers: Content-Type, * access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS date: Thu, 16 Sep 2021 22:32:33 GMT p3p: CP="ALL DSP COR CURa OUR IND ONL COM NAV INT CNT STA PRE" server: Apache/2.4.29 (Ubuntu) x-cache: Hit from cloudfront via: 1.1 ea450411fc852f7d373f7efbe784dd74.cloudfront.net (CloudFront) x-amz-cf-pop: EWR50-C1 x-amz-cf-id: 3NiXVcjAsmoZzzix9Iqvg1IZJo__wDKBTQQ78aSpKvxngG6SSZdZhw== age: 18005 HTTP/1.1 301 Moved Permanently Server: CloudFront Date: Fri, 17 Sep 2021 03:32:38 GMT Content-Type: text/html Content-Length: 183 Connection: keep-alive Location: https://www.ck12.org/student/ X-Cache: Redirect from cloudfront Via: 1.1 b4d936db4a90ac6e06d19d66ebba832f.cloudfront.net (CloudFront) X-Amz-Cf-Pop: EWR50-C1 X-Amz-Cf-Id: Owt_erxQMAV4_i7N6tmdO8LGORwjwZRI-1nqRrHkRt5glZghCzRHZg== HTTP/2 200 content-type: text/html; charset=utf-8 content-length: 26900 access-control-allow-credentials: true access-control-allow-headers: Content-Type, * access-control-allow-methods: GET, POST, PUT, DELETE, OPTIONS date: Thu, 16 Sep 2021 22:35:14 GMT p3p: CP="ALL DSP COR CURa OUR IND ONL COM NAV INT CNT STA PRE" server: Apache/2.4.29 (Ubuntu) set-cookie: flxweb_role=; Max-Age=0; Path=/; expires=Wed, 31-Dec-97 23:59:59 GMT set-cookie: flxweb_role=student; Domain=ck12.org; Max-Age=604800; Path=/; expires=Thu, 23-Sep-2021 22:35:14 GMT; secure x-edge-origin-shield-skipped: 0 vary: Accept-Encoding,Accept-Encoding x-cache: Hit from cloudfront via: 1.1 ea450411fc852f7d373f7efbe784dd74.cloudfront.net (CloudFront) x-amz-cf-pop: EWR50-C1 x-amz-cf-id: jRUoaHfc-zPLPODo7UtUJKUkLQ_ANzf-pr7MEVZqYkwb96Xx4QGWbQ== age: 17844 |
Domain Name: CK12.ORG Registry Domain ID: D135194116-LROR Registrar WHOIS Server: whois.networksolutions.com Registrar URL: http://www.networksolutions.com Updated Date: 2018-03-01T18:45:38Z Creation Date: 2006-12-16T08:37:03Z Registry Expiry Date: 2022-12-16T08:37:03Z Registrar Registration Expiration Date: Registrar: Network Solutions, LLC Registrar IANA ID: 2 Registrar Abuse Contact Email: abuse@web.com Registrar Abuse Contact Phone: +1.8777228662 Reseller: Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registrant Organization: Registrant State/Province: FL Registrant Country: US Name Server: NS-1136.AWSDNS-14.ORG Name Server: NS-161.AWSDNS-20.COM Name Server: NS-1687.AWSDNS-18.CO.UK Name Server: NS-977.AWSDNS-58.NET DNSSEC: unsigned URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/) |