Rikagaku.co.jp ダストレスチョーク・キットパスの日本理化学工業

チョーク製造元。「学校の定番品」ダストレスチョークが環境対応ホタテ貝殻配合で品質が向上しました。粉のでないキットパスも好評です。障がい者と共に歩む企業です


Rikagaku.co.jp Overview

Rikagaku.co.jp ranking shows that the page is at position 561,362 over the world, while the bulk of its audience is from United States, where it ranks 150,626.

In terms of rank-to-traffic ratio, rikagaku.co.jp has 423 unique users per day, viewing 1,268 pages. The rank based value of rikagaku.co.jp is 12,627 USD. Every user makes 3.21 pageviews on average.

Rikagaku.co.jp boasts a link base consisting of 277 referring domains and 361 external backlinks, as revealed by the data obtained from web network scanning.

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

According the last verification test in September 04, 2024, rikagaku.co.jp has an expired SSL certificate issued by Let's Encrypt (expired on October 18, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

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

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


Rikagaku.co.jp Rank Summary

Global Rank
561,362
Average Load Time
1.19sec
Links In Count
119
Website Value
$11,692

Rikagaku.co.jp Website Safety

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Overview
Last Updated: 11/23/2024
Overall result - rikagaku.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.
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Norton Connect Safe
Last Updated: 02/09/2024
rikagaku.co.jp is safe.
Norton ConnectSafe evaluates rikagaku.co.jp for any unsafe and insecure content. The results are critical for families with young children.
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Last Updated: 08/13/2017
rikagaku.co.jp is safe.
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Google Safe Browsing
Last Updated: 01/09/2019
rikagaku.co.jp is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
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Last Updated: 03/06/2021
rikagaku.co.jp is safe.
McAfee assesses rikagaku.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 rikagaku.co.jp for mature or inappropriate content, only security checks are evaluated.
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Web of Trust
Last Updated: 11/23/2024
rikagaku.co.jp child safety is unknown.
The WOT calculates reputation of the rikagaku.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the rikagaku.co.jp for safety features and confirms, whether rikagaku.co.jp is suitable for children.

SSL Information
Domainrikagaku.co.jp
Issuer OrganizationLet's Encrypt
IssuerR11
AlgorithmRSA-SHA256
Valid form07/20/2024
Expiration10/18/2024
SignedCertificate is not self signed
Additional Domains rikagaku.co.jp

Rikagaku.co.jp Rank History

Rikagaku.co.jp Hosting Information

Server Location

ASN Information

ASN ID: 131965

ASN Title: XSERVER Xserver Inc., JP

Last Update: 03/08/2024

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

% Information related to 'AS131072 - AS132095'

as-block: AS131072 - AS132095
descr: APNIC 32-bit 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: 2009-09-29T05:34:08Z
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 'AS131905 - AS131992'

as-block: AS131905 - AS131992
descr: JPNIC-4Byte-ASBLOCK-AP
country: JP
admin-c: JNIC1-AP
tech-c: JNIC1-AP
remarks: for assignment to JPNIC members
remarks: Authoritative information regarding AS Number
remarks: assignments made from within this block can also be
remarks: queried at whois.nic.ad.jp
mnt-by: MAINT-JPNIC
mnt-lower: MAINT-JPNIC
last-modified: 2016-01-27T00:24:03Z
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 'AS131965'

aut-num: AS131965
as-name: XSERVER
descr: Xserver Inc.
import:
export:
country: JP
admin-c: JP00193983
tech-c: JP00193983
last-modified: 2020-05-27T00:41:42Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-US4)

Rikagaku.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] RIKAGAKU.CO.JP
e. [そしきめい] にほんりかがくこうぎょうかぶしきがいしゃ
f. [組織名] 日本理化学工業株式会社
g. [Organization] nihon rikagaku industrial co., ltd
k. [組織種別] 株式会社
l. [Organization Type] corporation limited
m. [登録担当者] YO3378JP
n. [技術連絡担当者] HY4200JP
p. [ネームサーバ] ns1.xserver.jp
p. [ネームサーバ] ns2.xserver.jp
p. [ネームサーバ] ns3.xserver.jp
p. [ネームサーバ] ns4.xserver.jp
p. [ネームサーバ] ns5.xserver.jp
s. [署名鍵]
[状態] Connected (2023/04/30)
[登録年月日] 2001/04/16
[接続年月日] 2001/04/16
[最終更新] 2022/05/01 01:06:10 (JST)


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Rikagaku.co.jp HTML Check

Warnings

Errors

Rikagaku.co.jp Desktop Performance

Last tested: 04/30/2017

Speedometer image
Desktop Speed
19%

Desktop Resource Breakdown
Total Resources79
Number of Hosts10
Static Resources68
JavaScript Resources9
CSS Resources8

Rikagaku.co.jp Mobile Insights

Last tested: 05/28/2018

Speedometer image
Mobile Usability
92%
Speedometer image
Mobile Speed
26%

Mobile Resource Breakdown
Total Resources76
Number of Hosts10
Static Resources65
JavaScript Resources9
CSS Resources8

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