Clark.ed.jp 通信制高校 | クラーク記念国際高等学校

クラーク記念国際高等学校は1992年開校、1万人以上の生徒が学ぶ通信制高校です。「夢・挑戦・達成」をモットーに、一人ひとりが興味のあることを学べる多彩なコースや授業が充実。難関大学にも毎年多数合格しています。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.74 sec.
Last Checked: 01/24/2025

Clark.ed.jp attracts 159 unique visitors daily, generating 1,754 pageviews. The estimated value of clark.ed.jp is 35,150 USD. Each visitor views approximately 11.77 pages on average.

According to Majestic's traffic estimates, clark.ed.jp ranks 22,937 globally, with the majority of its visitors coming from Japan, where it holds the 16,461 position.

It is beneficial for clark.ed.jp that their data center (provided by CPI-NET KDDI Web Communications Inc., JP) is located in Japan, as this helps reduce page load time for most visitors.

See the list of other websites hosted by CPI-NET KDDI Web Communications Inc., JP.

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

The last inspection on (July 02, 2024), confirms that clark.ed.jp holds a valid and current SSL certificate issued by Japan Registry Services Co., Ltd. expiring on June 30, 2025. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Japan Registry Services Co., Ltd..

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

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

Global Rank
352,342
Average Load Time
0.91sec
Links In Count
112
Website Value
$32,850
Overview
Last Updated: 01/24/2025
Overall result - clark.ed.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: 03/25/2024
clark.ed.jp is safe.
Norton ConnectSafe evaluates clark.ed.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/10/2016
clark.ed.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
clark.ed.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: 02/25/2021
clark.ed.jp is safe.
McAfee assesses clark.ed.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 clark.ed.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/24/2025
clark.ed.jp child safety is unknown.
The WOT calculates reputation of the clark.ed.jp. This reputation system receives ratings from users and information from third-party sources, assesses the clark.ed.jp for safety features and confirms, whether clark.ed.jp is suitable for children.

Clark.ed.jp | SSL Certificate Information
Domainclark.ed.jp
Issuer OrganizationJapan Registry Services Co., Ltd.
IssuerJPRS Domain Validation Authority - G4
AlgorithmRSA-SHA256
Valid form05/31/2024
Expiration06/30/2025
SignedCertificate is not self signed
Additional Domains clark.ed.jp
www.clark.ed.jp
Server Location

Clark.ed.jp ASN Information

ASN ID: 9597
ASN Title: CPI-NET KDDI Web Communications Inc., JP

Last Update: 10/28/2024

% [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 'AS9597'

aut-num: AS9597
as-name: CPI-NET
descr: KDDI Web Communications Inc.
import: from AS2497 100 accept ANY
import: from AS2516 100 accept ANY
export: to AS2497 announce AS9597
export: to AS2516 announce AS9597
country: JP
admin-c: YM12747JP
tech-c: YM12747JP
last-modified: 2016-10-12T02:06:05Z
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] CLARK.ED.JP
e. [そしきめい] くらーくきねんこくさいこうとうがっこう
f. [組織名] クラーク記念国際高等学校
g. [Organization] Clark Memorial International Highschool
k. [組織種別] 高等学校
l. [Organization Type] school
m. [登録担当者] YO18602JP
n. [技術連絡担当者] KK1960JP
p. [ネームサーバ] fjkdns11.alpha-prm.jp
p. [ネームサーバ] fjkdns12.alpha-prm.jp
p. [ネームサーバ] fjkdns13.alpha-prm.jp
s. [署名鍵]
[状態] Connected (2024/11/30)
[ロック状態] AgentChangeLocked
[登録年月日] 2005/11/16
[接続年月日] 2005/11/16
[最終更新] 2023/12/01 01:01:35 (JST)


DNS Records
HostA RecordTTL
clark.ed.jp27.0.34.2253600
HostMX RecordPriorityTTL
clark.ed.jpmxi.alpha-prm.jp1003600
HostNS RecordTTL
clark.ed.jpfjkdns13.alpha-prm.jp3600
clark.ed.jpfjkdns11.alpha-prm.jp3600
clark.ed.jpfjkdns12.alpha-prm.jp3600
HostTXT RecordTTL
clark.ed.jpv=spf1 ip4:27.0.34.225/32 include:spf.alpha-prm.jp ~all3600

fjkdns99.alpha-prm.jp
TTL: 3600
Email address: hostmaster.alpha-prm.jp
Serial: 2019062402
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 1800


Errors

Last tested: 06/24/2019

Desktop
Desktop Speed
35%

Desktop Resource Breakdown
Total Resources245
Number of Hosts80
Static Resources120
JavaScript Resources57
CSS Resources5

Last tested: 12/08/2018

Mobile
Mobile Usability
63%
Mobile Speed
27%

Mobile Resource Breakdown
Total Resources195
Number of Hosts49
Static Resources119
JavaScript Resources54
CSS Resources5
www.clark.com
www.clark.net
www.clark.org
www.clark.info
www.clark.biz
www.clark.us
www.clark.mobi
www.lark.ed.jp
www.clark.ed.jp
www.xlark.ed.jp
www.cxlark.ed.jp
www.xclark.ed.jp
www.dlark.ed.jp
www.cdlark.ed.jp
www.dclark.ed.jp
www.flark.ed.jp
www.cflark.ed.jp
www.fclark.ed.jp
www.vlark.ed.jp
www.cvlark.ed.jp
www.vclark.ed.jp
www.cark.ed.jp
www.cpark.ed.jp
www.clpark.ed.jp
www.cplark.ed.jp
www.coark.ed.jp
www.cloark.ed.jp
www.colark.ed.jp
www.ckark.ed.jp
www.clkark.ed.jp
www.cklark.ed.jp
www.clrk.ed.jp
www.clqrk.ed.jp
www.claqrk.ed.jp
www.clqark.ed.jp
www.clwrk.ed.jp
www.clawrk.ed.jp
www.clwark.ed.jp
www.clsrk.ed.jp
www.clasrk.ed.jp
www.clsark.ed.jp
www.clzrk.ed.jp
www.clazrk.ed.jp
www.clzark.ed.jp
www.clak.ed.jp
www.claek.ed.jp
www.clarek.ed.jp
www.claerk.ed.jp
www.cladk.ed.jp
www.clardk.ed.jp
www.cladrk.ed.jp
www.clafk.ed.jp
www.clarfk.ed.jp
www.clafrk.ed.jp
www.clatk.ed.jp
www.clartk.ed.jp
www.clatrk.ed.jp
www.clar.ed.jp
www.clarj.ed.jp
www.clarkj.ed.jp
www.clarjk.ed.jp
www.clari.ed.jp
www.clarki.ed.jp
www.clarik.ed.jp
www.clarm.ed.jp
www.clarkm.ed.jp
www.clarmk.ed.jp
www.clarl.ed.jp
www.clarkl.ed.jp
www.clarlk.ed.jp
www.claro.ed.jp
www.clarko.ed.jp
www.clarok.ed.jp