Ck12.org Welcome to CK-12 Foundation | CK-12 Foundation


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.15 sec.
Last Checked: 10/18/2021

Ck12.org traffic volume is 49,926 unique daily visitors and their 182,231 pageviews. The web value rate of ck12.org is 2,390,166 USD. Each visitor makes around 3.91 page views on average.

By Alexa's traffic estimates ck12.org placed at 916 position over the world, while the largest amount of its visitors comes from United States, where it takes 4,437 place.

Ck12.org registered under .ORG top-level domain. Check other websites in .ORG zone.

The last verification results, performed on (November 28, 2019) ck12.org show that ck12.org has an expired wildcard SSL certificate issued by GoDaddy.com, Inc. (expired on January 31, 2021). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by GoDaddy.com, Inc..

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust ck12.org is pretty a safe domain.

Relying Google MobileFriendly test ck12.org is well optimized for mobile and tablet devices, however web page loading speed may be improved.


Global Rank
3,960
Average Load Time
1.74sec
Links In Count
8,108
Website Value
$2.2 M

Overview
Last Updated: 10/18/2021
Overall result - ck12.org is safe.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 08/05/2020
ck12.org is safe.
Norton ConnectSafe evaluates ck12.org for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/10/2016
ck12.org is safe.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
Google Safe Browsing
Last Updated: 08/11/2020
ck12.org is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/22/2021
ck12.org is safe.
McAfee assesses ck12.org for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze ck12.org for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
ck12.org child safety is very good.
The WOT calculates reputation of the ck12.org. This reputation system receives ratings from users and information from third-party sources, assesses the ck12.org for safety features and confirms, whether ck12.org is suitable for children.

SSL Information
Domain*.ck12.org
Issuer OrganizationGoDaddy.com, Inc.
IssuerGo Daddy Secure Certificate Authority - G2
AlgorithmRSA-SHA256
Valid form01/09/2018
Expiration01/31/2021
SignedCertificate is not self signed
Additional Domains *.ck12.org
ck12.org
Server Location

ASN Information

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 06/09/2021

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

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: +1.8003337680
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/)
>>> Last update of WHOIS database: 2021-04-25T13:18:10Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings

Last tested: 12/07/2019

Desktop
Desktop Speed
74%

Desktop Resource Breakdown
Total Resources51
Number of Hosts23
Static Resources34
JavaScript Resources25
CSS Resources8

Last tested: 05/31/2017

Mobile
Mobile Usability
99%
Mobile Speed
49%

Mobile Resource Breakdown
Total Resources117
Number of Hosts27
Static Resources97
JavaScript Resources41
CSS Resources7
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