Zenken.co.jp IT事業と語学事業のZENKEN(ゼンケン) | 全研本社株式会社

IT事業と語学事業を展開する全研本社ではITコンサルティング事業から教育サービス事業など全国で各種事業を展開しています。当サイトはゼンケングループの公式コーポレートサイトです。

Zenken.co.jp Overview

Zenken.co.jp ranking shows that the page is at position 182,292 over the world, while the bulk of its audience is from Japan, where it ranks 17,141.

Zenken.co.jp hosted on AMAZON-02 - Amazon.com, Inc., US servers in United States. To reduce page loading time for the majority of zenken.co.jp users, we recommend migrating the server to Japan, as it will speed up zenken.co.jp page load time for the majority of users. See the list of other webpages hosted on AMAZON-02 - Amazon.com, Inc., US servers.

In terms of rank-to-traffic ratio, zenken.co.jp has 645 unique users per day, viewing 3,736 pages. The rank based value of zenken.co.jp is 71,027 USD. Every user makes 6.21 pageviews on average.

Zenken.co.jp boasts a link base consisting of 298 referring domains and 383 external backlinks, as revealed by the data obtained from web network scanning.

Zenken.co.jp top-level domain belongs to .JP domain zone. Check other webpages in .JP zone.

According the last verification test in July 31, 2024, zenken.co.jp has a valid and up-to-date SSL certificate issued by Cybertrust Japan Co., Ltd. , certificate expiration date: June 07, 2025. Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Cybertrust Japan Co., Ltd..

Based on data from Google Safe Browsing, Google Safe Search and Symantec zenken.co.jp is a fairly safe domain.

According the Mobile-Friendly test by Google zenken.co.jp is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Zenken.co.jp Rank Summary

Global Rank
182,292
Average Load Time
0.38sec
Links In Count
51
Website Value
$65,766

Zenken.co.jp Website Safety

logo
Overview
Last Updated: 12/25/2024
Overall result - zenken.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 logo
Norton Connect Safe
Last Updated: 04/02/2024
zenken.co.jp is safe.
Norton ConnectSafe evaluates zenken.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 07/04/2019
zenken.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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
zenken.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.
McAfee logo
Site Advisor
Last Updated: 03/02/2021
zenken.co.jp is safe.
McAfee assesses zenken.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 zenken.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 12/25/2024
zenken.co.jp child safety is unknown.
The WOT calculates reputation of the zenken.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the zenken.co.jp for safety features and confirms, whether zenken.co.jp is suitable for children.

SSL Information
Domainwww.zenken.co.jp
Issuer OrganizationCybertrust Japan Co., Ltd.
IssuerCybertrust Japan SureServer CA G4
AlgorithmRSA-SHA256
Valid form05/15/2024
Expiration06/07/2025
SignedCertificate is not self signed
Additional Domains www.zenken.co.jp
zenken.co.jp
recruit.zenken.co.jp

Zenken.co.jp Rank History

Zenken.co.jp Hosting Information

Server Location

ASN Information

ASN ID: 16509

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

Last Update: 12/21/2024

#
# 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.
#

Zenken.co.jp Domain Registration and Settings

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] ZENKEN.CO.JP
e. [そしきめい] ぜんけんほんしゃかぶしきがいしゃ
f. [組織名] 全研本社株式会社
g. [Organization] ZENKEN CORPORATION
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] TN4586JP
n. [技術連絡担当者] RI008JP
p. [ネームサーバ] nsa.znet.or.jp
p. [ネームサーバ] nsb.znet.or.jp
p. [ネームサーバ] nsc.znet.or.jp
s. [署名鍵]
[状態] Connected (2022/10/31)
[登録年月日] 1996/10/30
[接続年月日] 1996/11/25
[最終更新] 2021/11/01 01:03:36 (JST)


DNS Records
HostA RecordTTL
zenken.co.jp15.197.131.391800
zenken.co.jp3.33.143.851800
HostMX RecordPriorityTTL
zenken.co.jpalt1.aspmx.l.google.com201800
zenken.co.jpaspmx.l.google.com101800
zenken.co.jpalt2.aspmx.l.google.com301800
zenken.co.jpalt4.aspmx.l.google.com501800
zenken.co.jpalt3.aspmx.l.google.com401800
HostNS RecordTTL
zenken.co.jpnsc.znet.or.jp1800
zenken.co.jpnsa.znet.or.jp1800
zenken.co.jpnsb.znet.or.jp1800
HostTXT RecordTTL
zenken.co.jpv=spf1 +ip4:61.215.199.128/25 +ip4:219.101.191.0/24 +ip4:219.101.142.128/25 +ip4:18.223.39.224 include:spf.mk6-robo.com include:_spf.google.com include:_spf.activegate-ss.jp include:amazonses.com include:spf.mail.knockbot.jp -all1800
zenken.co.jpMS=ms343993331800
zenken.co.jpgoogle-site-verification=g0-AwZ04RlY95VFn_2_sPCFPI2aQUUVS-LCkPPnt_Qw1800
zenken.co.jpgoogle-site-verification=aMKj6AZPB7BRjaRtMO38ff-V08vU9aF26xZWI66F9zI1800

nsa.znet.or.jp
TTL: 1800
Email address: staff.nsa.znet.or.jp
Serial: 2023111501
Refresh: 14400
Retry: 600
Expire: 604800
Minimum: 600

Zenken.co.jp HTML Check


Errors

Zenken.co.jp Desktop Performance

Last tested: 01/07/2019

Speedometer image
Desktop Speed
40%

Desktop Resource Breakdown
Total Resources67
Number of Hosts10
Static Resources56
JavaScript Resources19
CSS Resources3

Zenken.co.jp Mobile Insights

Last tested: 01/07/2019

Speedometer image
Mobile Usability
98%
Speedometer image
Mobile Speed
34%

Mobile Resource Breakdown
Total Resources63
Number of Hosts10
Static Resources53
JavaScript Resources19
CSS Resources3

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