Kawai-juku.ac.jp 大学受験の予備校・塾 河合塾

東大・京大・早慶大など難関大や医学部をはじめ数々の大学・高校の合格実績が河合塾の自信です。高卒生や現役生、中高一貫、海外大進学、帰国生、通信制の学生ほか、英語や幼児教育も幅広くサポート。大学受験の予備校・塾、学校法人河合塾の公式サイトです。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 3.38 sec.
Last Checked: 08/26/2023

Over the time kawai-juku.ac.jp has been ranked as high as 6,751 in the world, while most of its traffic comes from Japan, where it reached as high as 4,497 position.

Kawai-juku.ac.jp receives about 2,441 unique visitors and 11,473 pageviews per day. The estimated value of kawai-juku.ac.jp is 201,480 USD. Each unique visitor makes about 4.7 pageviews on average.

Kawai-juku.ac.jp is registered under .JP top-level domain. Check other websites in .JP zone.

At the time of the last check (July 07, 2019) kawai-juku.ac.jp has an expired SSL certificate (expired on December 31, 2018).

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust kawai-juku.ac.jp is quite a safe domain.

Mobile-Friendly test indicates that kawai-juku.ac.jp is well optimized for mobile and tablet devices, however website page loading time could be improved.


Global Rank
57,037
Average Load Time
0.81sec
Links In Count
495
Website Value
$201,480

Overview
Last Updated: 04/30/2024
Overall result - "kawai-juku.ac.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
kawai-juku.ac.jp is safe.

Norton ConnectSafe evaluates kawai-juku.ac.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 10/16/2016
kawai-juku.ac.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
Malware not found at "kawai-juku.ac.jp".
"kawai-juku.ac.jp" is not a phishing page.
"kawai-juku.ac.jp" does not install unwanted software.
"kawai-juku.ac.jp" does not contain harmfull applications.
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
kawai-juku.ac.jp is safe.

McAfee assesses kawai-juku.ac.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 kawai-juku.ac.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/09/2019
kawai-juku.ac.jp child safety isvery good.

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

SSL Information
Domain www.kawai-juku.ac.jp
Issuer Cybertrust Japan EV CA G2
Algorithm RSA-SHA256
Valid form 12/01/2017
Expiration 12/31/2018
SignedCertificate is not self signed
Additional Domains www.kawai-juku.ac.jp
kawai-juku.ac.jp
Server Location
Tokyo
Tokyo
Japan
ASN Information

Last Update: 10/03/2023

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

% Information related to 'AS2497 - AS2528'

as-block: AS2497 - AS2528
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: 2017-06-12T03:54:29Z
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 'AS2519'

aut-num: AS2519
as-name: VECTANT
descr: ARTERIA Networks Corporation
import: from AS2516 100 accept ANY
import: from AS2914 100 accept ANY
import: from AS10026 100 accept ANY
export: to AS2516 announce AS2519
export: to AS2914 announce AS2519
export: to AS10026 announce AS2519
country: JP
admin-c: IH010JP
tech-c: KA24555JP
tech-c: MA2355JP
last-modified: 2016-11-19T00:26:29Z
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] KAWAI-JUKU.AC.JP
e. [そしきめい] がっこうほうじん かわいじゅく
f. [組織名] 学校法人 河合塾
g. [Organization] KAWAIJUKU EDUCATIONAL INSTITUTION
k. [組織種別] 学校法人
l. [Organization Type] Educational Foundation
m. [登録担当者] YD017JP
n. [技術連絡担当者] YD017JP
p. [ネームサーバ] ns.kawai-juku.ac.jp
p. [ネームサーバ] ns.keinet.ne.jp
p. [ネームサーバ] rjer.nn.kawai-juku.ac.jp
s. [署名鍵]
[状態] Connected (2022/03/31)
[登録年月日]
[接続年月日]
[最終更新] 2021/04/01 01:06:14 (JST)

DNS Records
HostA RecordTTL
kawai-juku.ac.jp124.110.69.31600
HostMX RecordPriorityTTL
kawai-juku.ac.jposn.nn.kawai-juku.ac.jp10600
HostNS RecordTTL
kawai-juku.ac.jpns.kawai-juku.ac.jp600
kawai-juku.ac.jpns.keinet.ne.jp600
kawai-juku.ac.jprjer.nn.kawai-juku.ac.jp600
HostTXT RecordTTL
kawai-juku.ac.jpv=spf1 +ip4:210.170.60.64/26 +ip4:124.110.69.0/24 +ip4:118.103.19.0/26 +ip4:211.15.37.128/26 +ip4:180.211.84.128/26 +ip4:180.211.84.192/26 +ip4:180.211.86.0/25 +ip4:180.211.87.0/26 +ip4:116.197.173.192/26 +ip4:116.197.174.0/26 600

ns.kawai-juku.ac.jp
TTL: 600
Email address: postmaster.ns.kawai-juku.ac.jp
Serial: 2019042601
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 600

Warnings
Errors

Last tested: 12/09/2019

Desktop
Desktop Speed
24%
Desktop Resource Breakdown
Total Resources137
Number of Hosts39
Static Resources84
JavaScript Resources44
CSS Resources2

Last tested: 12/14/2019

Mobile
Mobile Usability
99%
Mobile Speed
18%
Mobile Resource Breakdown
Total Resources121
Number of Hosts32
Static Resources85
JavaScript Resources44
CSS Resources2
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