Gakken.co.jp ホーム | 株式会社学研ホールディングス

株式会社学研ホールディングスの公式サイト。企業概要、IR、社会・環境、採用などの企業情報のほか、学研グループの書籍、商品、サービス、教育などの各種事業のご紹介

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 4.48 sec.
Last Checked: 02/02/2025

Gakken.co.jp attracts 2,966 unique visitors daily, generating 7,118 pageviews. The estimated value of gakken.co.jp is 132,787 USD. Each visitor views approximately 2.57 pages on average.

According to Majestic's traffic estimates, gakken.co.jp ranks 11,316 globally, with the majority of its visitors coming from Japan, where it holds the 14,552 position.

It is beneficial for gakken.co.jp that their data center (provided by BBTOWER BroadBand Tower, Inc., JP) is located in Japan, as this helps reduce page load time for most visitors.

See the list of other websites hosted by BBTOWER BroadBand Tower, Inc., JP.

Gakken.co.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.

The last inspection on (October 09, 2024), confirms that gakken.co.jp holds a valid and current SSL certificate issued by GlobalSign nv-sa expiring on July 22, 2025. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by GlobalSign nv-sa.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust gakken.co.jp appears to be a safe domain.

Based on Google's Mobile-Friendly test, gakken.co.jp is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Global Rank
101,756
Average Load Time
0.74sec
Links In Count
1,341
Website Value
$124,100
Overview
Last Updated: 02/02/2025
Overall result - gakken.co.jp 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: 03/22/2024
gakken.co.jp is safe.
Norton ConnectSafe evaluates gakken.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 02/10/2019
gakken.co.jp 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: 01/09/2019
gakken.co.jp 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
gakken.co.jp is safe.
McAfee assesses gakken.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 gakken.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/12/2019
gakken.co.jp child safety is very good.
The WOT calculates reputation of the gakken.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the gakken.co.jp for safety features and confirms, whether gakken.co.jp is suitable for children.

Gakken.co.jp | SSL Certificate Information
Domainwww.gakken.co.jp
Issuer OrganizationGlobalSign nv-sa
IssuerGlobalSign RSA OV SSL CA 2018
AlgorithmRSA-SHA256
Valid form06/20/2024
Expiration07/22/2025
SignedCertificate is not self signed
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Server Location

Gakken.co.jp ASN Information

ASN ID: 9607
ASN Title: BBTOWER BroadBand Tower, Inc., JP

Last Update: 07/18/2024

% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
descr: APNIC ASN block
remarks: These AS numbers are further assigned by APNIC
remarks: to APNIC members and end-users in the APNIC region
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: APNIC-HM
last-modified: 2009-05-19T07:00:23Z
source: APNIC

role: APNIC Hostmaster
address: 6 Cordelia Street
address: South Brisbane
address: QLD 4101
country: AU
phone: +61 7 3858 3100
fax-no: +61 7 3858 3199
e-mail: helpdesk@apnic.net
admin-c: AMS11-AP
tech-c: AH256-AP
nic-hdl: HM20-AP
remarks: Administrator for APNIC
notify: hostmaster@apnic.net
mnt-by: MAINT-APNIC-AP
last-modified: 2013-10-23T04:06:51Z
source: APNIC

% Information related to 'AS9591 - AS9622'

as-block: AS9591 - AS9622
descr: JPNIC-2Byte-ASBLOCK-AP
descr: for assignment to JPNIC members
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can be
remarks: queried at whois.nic.ad.jp.
remarks: To only display English output,
remarks: add '/e' at the end of command,
remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:30Z
source: APNIC

role: Japan Network Information Center
address: Urbannet-Kanda Bldg 4F
address: 3-6-2 Uchi-Kanda
address: Chiyoda-ku, Tokyo 101-0047,Japan
country: JP
phone: +81-3-5297-2311
fax-no: +81-3-5297-2312
e-mail: hostmaster@nic.ad.jp
admin-c: JI13-AP
tech-c: JE53-AP
nic-hdl: JNIC1-AP
mnt-by: MAINT-JPNIC
last-modified: 2012-08-28T07:58:02Z
source: APNIC

% Information related to 'AS9607'

aut-num: AS9607
as-name: BBTower
descr: BroadBand Tower, Inc.
import: from AS2510 100 accept ANY
import: from AS10026 100 accept ANY
export: to AS2510 announce AS9607
export: to AS10026 announce AS9607
country: JP
admin-c: JP00020513
tech-c: JP00020513
last-modified: 2013-01-12T01:38:04Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

WHOIS

[ JPRS database provides information on network administration. Its use is ]
[ restricted to network administration purposes. For further information, ]
[ use 'whois -h whois.jprs.jp help'. To suppress Japanese output, add'/e' ]
[ at the end of command, e.g. 'whois -h whois.jprs.jp xxx/e'. ]
Domain Information: [ドメイン情報]
a. [ドメイン名] GAKKEN.CO.JP
e. [そしきめい] かぶしきがいしゃがっけんほーるでぃんぐす
f. [組織名] 株式会社学研ホールディングス
g. [Organization] GAKKEN HOLDINGS CO.,LTD.
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] HF5338JP
n. [技術連絡担当者] YK025JP
p. [ネームサーバ] ns00.vips.ne.jp
p. [ネームサーバ] ns01.vips.ne.jp
s. [署名鍵]
[状態] Connected (2025/03/31)
[登録年月日]
[接続年月日] 2014/10/14
[最終更新] 2024/04/01 01:01:41 (JST)


DNS Records
HostA RecordTTL
gakken.co.jp183.176.220.20586400
HostMX RecordPriorityTTL
gakken.co.jpgakken-co-jp.mail.protection.outlook.com086400
HostNS RecordTTL
gakken.co.jpns00.vips.ne.jp86400
gakken.co.jpns01.vips.ne.jp86400
HostTXT RecordTTL
gakken.co.jpMS=ms813478953600
gakken.co.jpv=spf1 include:spf1.gakken.co.jp include:spf2.gakken.co.jp include:spf.protection.outlook.com include:bell24.gakken.co.jp include:amazonses.com include:spf.mta.hdems.com ~all3600

ns00.vips.ne.jp
TTL: 2560
Email address:
Serial: 1564966654
Refresh: 600
Retry: 600
Expire: 2419200
Minimum: 2560


Errors
Warnings

Last tested: 12/11/2019

Desktop
Desktop Speed
0%

Desktop Resource Breakdown
Total Resources124
Number of Hosts5
Static Resources117
JavaScript Resources15
CSS Resources9

Last tested: 12/14/2019

Mobile
Mobile Usability
96%
Mobile Speed
6%

Mobile Resource Breakdown
Total Resources124
Number of Hosts5
Static Resources117
JavaScript Resources15
CSS Resources9
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