Kikagaku.co.jp キカガク

教育の力で社会により良い変革を。株式会社キカガクでは、AI・データサイエンスをはじめ先端技術の研修等で企業のDX推進を支援しています。

Kikagaku.co.jp Quick Summary

Status

Offline

Server IP address resolved: No

Http response code: None

Last Checked: 01/04/2025

kikagaku.co.jp is hosted by CLOUDFLARENET - Cloudflare, Inc., US. See the list of other websites hosted by CLOUDFLARENET - Cloudflare, Inc., US.

Kikagaku.co.jp is registered under .JP top-level domain. Check other websites in .JP zone.

During the last check (May 05, 2021) kikagaku.co.jp has an expired SSL certificate issued by CloudFlare, Inc. (expired on July 10, 2021), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by CloudFlare, Inc..

In accordance with Google Safe Browsing, Google Safe Search and Symantec kikagaku.co.jp is pretty a safe domain.

Relying on Google Mobile-Friendly test kikagaku.co.jp isn't optimized for mobile and tablet devices. Designing your websites to be mobile friendly ensures that your pages perform well on all devices, also website page loading time may be improved.

Kikagaku.co.jp General Information

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Kikagaku.co.jp Safety Information

Rankchart Summary

Safe

Updated: 01/04/2025

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

Safe

Updated: 03/31/2024

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 07/06/2017

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/20/2021

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McAfee assesses kikagaku.co.jp 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 kikagaku.co.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Not Checked

Updated: 01/04/2025

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The WOT calculates reputation of the kikagaku.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the kikagaku.co.jp for safety features and confirms, whether kikagaku.co.jp is suitable for children.

Kikagaku.co.jp SSL Information

Information about SSL/TLS certificates

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Domain	sni.cloudflaressl.com
Issuer Organization	CloudFlare, Inc.
Issuer	Cloudflare Inc ECC CA-3
Algorithm	ecdsa-with-SHA256
Valid form	07/10/2020
Expiration	07/10/2021
Signed	Certificate is not self signed
Additional Domains	*.kikagaku.co.jp kikagaku.co.jp sni.cloudflaressl.com

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Kikagaku.co.jp Server Information

Kikagaku.co.jp Server Location

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Kikagaku.co.jp ASN Information

Information about IP address owner

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ASN ID: 13335

ASN Title: CLOUDFLARENET - Cloudflare, Inc., US

Updated: 03/18/2024

Raw ASN data:

#
# 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: 13335
ASName: CLOUDFLARENET
ASHandle: AS13335
RegDate: 2010-07-14
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/autnum/13335

OrgName: Cloudflare, Inc.
OrgId: CLOUD14
Address: 101 Townsend Street
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2010-07-09
Updated: 2017-02-17
Comment: All Cloudflare abuse reporting can be done via https://www.cloudflare.com/abuse
Ref: https://rdap.arin.net/registry/entity/CLOUD14

OrgTechHandle: ADMIN2521-ARIN
OrgTechName: Admin
OrgTechPhone: +1-650-319-8930
OrgTechEmail: rir@cloudflare.com
OrgTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

OrgAbuseHandle: ABUSE2916-ARIN
OrgAbuseName: Abuse
OrgAbusePhone: +1-650-319-8930
OrgAbuseEmail: abuse@cloudflare.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-ARIN

OrgNOCHandle: NOC11962-ARIN
OrgNOCName: NOC
OrgNOCPhone: +1-650-319-8930
OrgNOCEmail: noc@cloudflare.com
OrgNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RNOCHandle: NOC11962-ARIN
RNOCName: NOC
RNOCPhone: +1-650-319-8930
RNOCEmail: noc@cloudflare.com
RNOCRef: https://rdap.arin.net/registry/entity/NOC11962-ARIN

RTechHandle: ADMIN2521-ARIN
RTechName: Admin
RTechPhone: +1-650-319-8930
RTechEmail: rir@cloudflare.com
RTechRef: https://rdap.arin.net/registry/entity/ADMIN2521-ARIN

RAbuseHandle: ABUSE2916-ARIN
RAbuseName: Abuse
RAbusePhone: +1-650-319-8930
RAbuseEmail: abuse@cloudflare.com
RAbuseRef: https://rdap.arin.net/registry/entity/ABUSE2916-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.
#

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Kikagaku.co.jp Domain Name Information

Kikagaku.co.jp DNS Information

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A

Host	A Record	TTL

Kikagaku.co.jp Whois Information

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Raw WHOIS data:

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Kikagaku.co.jp HTML Validation

Kikagaku.co.jp W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Bad value “https://api.w.org/” for attribute “rel” on element “link”: The string “https://api.w.org/” is not a registered keyword.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Duplicate ID “js-newsArticles”.

Element “ul” not allowed as child of element “ul” in this context. (Suppressing further errors from this subtree.)

End tag “div” seen, but there were open elements.

Unclosed element “ul”.

The “frameborder” attribute on the “iframe” element is obsolete. Use CSS instead.

The “scrolling” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginheight” attribute on the “iframe” element is obsolete. Use CSS instead.

The “marginwidth” attribute on the “iframe” element is obsolete. Use CSS instead.

The “itemprop” attribute was specified, but the element is not a property of any item.

Warnings:

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

The first occurrence of ID “js-newsArticles” was here.

Article lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all articles.

HTML Validator

Kikagaku.co.jp Desktop Performance

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Kikagaku.co.jp Mobile Performance

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