Kyobun.co.jp 教育新聞 | 教育を変えるファクトがある。

教育新聞は、教師を中心としたプロフェッショナルの方々に向け、教育を変えるファクトに迫るジャーナリズムを提供しています。教育ニュースや時事特集、オピニオン、現場ルポや調査報道など、教育新聞でしか読めない、オリジナルの報道記事をお届けします。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.66 sec.
Last Checked: 01/23/2025

Kyobun.co.jp attracts 3,072 unique visitors daily, generating 4,608 pageviews. The estimated value of kyobun.co.jp is 85,921 USD. Each visitor views approximately 1.61 pages on average.

According to Majestic's traffic estimates, kyobun.co.jp ranks 10,561 globally, with the majority of its visitors coming from Japan, where it holds the 15,481 position.

It is beneficial for kyobun.co.jp that their data center (provided by AMAZON-02 - Amazon.com, Inc., US) is located in Japan, as this helps reduce page load time for most visitors.

See the list of other websites hosted by AMAZON-02 - Amazon.com, Inc., US.

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

A recent examination on (July 16, 2024), indicates that kyobun.co.jp has an expired SSL certificate issued by Let's Encrypt (expired on August 17, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Let's Encrypt.

According to Google Safe Browsing, Google Safe Search and Symantec kyobun.co.jp appears to be a safe domain.

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

Global Rank
159,388
Average Load Time
0.80sec
Links In Count
95
Website Value
$80,300
Overview
Last Updated: 01/23/2025
Overall result - kyobun.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: 03/24/2024
kyobun.co.jp is safe.
Norton ConnectSafe evaluates kyobun.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/02/2016
kyobun.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
kyobun.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: 02/24/2021
kyobun.co.jp is safe.
McAfee assesses kyobun.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 kyobun.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/23/2025
kyobun.co.jp child safety is unknown.
The WOT calculates reputation of the kyobun.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the kyobun.co.jp for safety features and confirms, whether kyobun.co.jp is suitable for children.

Kyobun.co.jp | SSL Certificate Information
Domainkyobun.co.jp
Issuer OrganizationLet's Encrypt
IssuerR3
AlgorithmRSA-SHA256
Valid form05/19/2024
Expiration08/17/2024
SignedCertificate is not self signed
Additional Domains kyobun.co.jp
Server Location

Kyobun.co.jp ASN Information

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

Last Update: 11/09/2024

#
# 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

[ 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] KYOBUN.CO.JP
e. [そしきめい] かぶしきかいしゃきょういくしんぶんしゃ
f. [組織名] 株式会社教育新聞社
g. [Organization] The Education News Corporation
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] YO14497JP
n. [技術連絡担当者] YO14497JP
p. [ネームサーバ] ns-cloud-d1.googledomains.com
p. [ネームサーバ] ns-cloud-d2.googledomains.com
p. [ネームサーバ] ns-cloud-d3.googledomains.com
p. [ネームサーバ] ns-cloud-d4.googledomains.com
s. [署名鍵]
[状態] Connected (2025/09/30)
[ロック状態] AgentChangeLocked
[登録年月日] 1998/09/02
[接続年月日] 1998/09/04
[最終更新] 2024/10/01 01:02:15 (JST)


DNS Records
HostA RecordTTL
kyobun.co.jp54.150.225.74300
HostMX RecordPriorityTTL
kyobun.co.jpaspmx.l.google.com1086400
kyobun.co.jpaspmx2.googlemail.com3086400
kyobun.co.jpalt1.aspmx.l.google.com2086400
kyobun.co.jpalt2.aspmx.l.google.com2086400
kyobun.co.jpaspmx3.googlemail.com3086400
HostNS RecordTTL
kyobun.co.jpasns1.customer.ne.jp10800
kyobun.co.jpasns2.customer.ne.jp10800
HostTXT RecordTTL
kyobun.co.jpv=spf1 include:_spf.google.com +ip4:119.245.189.158/32 +ip4:52.193.123.18/32 +ip4:116.197.174.21 include:spf.haihaimail.jp +ip4:54.150.225.74/32 +ip4:54.250.38.109/32 +ip4:18.179.73.105/32 include:amazonses.com include:mail.zendesk.com ~all300

asns1.customer.ne.jp
TTL: 86400
Email address: hidemi.kyobun.co.jp
Serial: 1970010195
Refresh: 3600
Retry: 1800
Expire: 3600000
Minimum: 3600


Errors

Last tested: 11/23/2015

Desktop
Desktop Speed
39%

Desktop Resource Breakdown
Total Resources104
Number of Hosts4
Static Resources98
JavaScript Resources9
CSS Resources66

Last tested: 09/04/2019

Mobile
Mobile Usability
99%
Mobile Speed
32%

Mobile Resource Breakdown
Total Resources100
Number of Hosts15
Static Resources84
JavaScript Resources29
CSS Resources8
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