gentosha-edu.co.jp - 幻冬舎edu

Quick Summary

Online Status

UNKNOWN

Over the time gentosha-edu.co.jp has been ranked as high as 32,218 in the world.

Gentosha-edu.co.jp receives about 1,494 unique visitors and 2,988 pageviews per day. The estimated value of gentosha-edu.co.jp is 2,160 USD. Each unique visitor makes about 2 pageviews on average.

Gentosha-edu.co.jp is registered under .JP top-level domain. Check other websites in .JP zone.

At the time of the last check (October 09, 2019) gentosha-edu.co.jp has a self-signed SSL certificate.

According to Google Safe Browsing, Google Safe Search and Symantec gentosha-edu.co.jp is quite a safe domain.

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

Gentosha-edu.co.jp General Information

Global Rank

Average Load Time

0.00sec

Links In Count

Website Value

$2,160

Gentosha-edu.co.jp Alexa Rank History

Alexa Rank shows how popular gentosha-edu.co.jp is in comparison with other sites. The most popular site has Alexa Rank equals 1. If gentosha-edu.co.jp has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to gentosha-edu.co.jp and pageviews on gentosha-edu.co.jp over the past 3 months.

Gentosha-edu.co.jp Safety Information

Overview

Last Updated: 05/03/2024

Overall result - "gentosha-edu.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: 02/04/2024

gentosha-edu.co.jp is safe.

Norton ConnectSafe evaluates gentosha-edu.co.jp for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 01/23/2017

gentosha-edu.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

Malware not found at "gentosha-edu.co.jp".
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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: 01/04/2021

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McAfee assesses gentosha-edu.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 gentosha-edu.co.jp for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Last Updated: 05/03/2024

gentosha-edu.co.jp child safety isunknown.

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

SSL Information

SSL Checker Tool

Domain	www8174ui.sakura.ne.jp
Algorithm	RSA-SHA256
Valid form	06/04/2015
Expiration	06/03/2016
Signed	Certificate is self signed

Gentosha-edu.co.jp Server Information

Server Location

Geolocation Tool

Tokyo

Japan

ASN Information

ASN Lookup Tool

ASN ID: 17506
ASN Title: UCOM UCOM Corp., JP

Last Update: 03/12/2024

ASN Whois

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

% Information related to 'AS17408 - AS18409'

as-block: AS17408 - AS18409
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: 2008-09-04T06:40:26Z
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 'AS17408 - AS17651'

as-block: AS17408 - AS17651
descr: APNIC ASN block
admin-c: HM20-AP
tech-c: HM20-AP
mnt-by: APNIC-HM
mnt-lower: MAINT-APNIC-AP
last-modified: 2016-09-30T02:07:37Z
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 'AS17503 - AS17534'

as-block: AS17503 - AS17534
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: 2017-06-12T04:00:31Z
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 'AS17506'

aut-num: AS17506
as-name: UCOM
descr: UCOM Corp.
import: from AS2500 100 accept ANY
import: from AS7521 100 accept ANY
import: from AS7527 100 accept ANY
export: to AS2500 announce AS17506
export: to AS7521 announce AS17506
export: to AS7527 announce AS17506
country: JP
admin-c: AT2047JP
tech-c: AT2047JP
last-modified: 2006-09-27T19:42:35Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

Gentosha-edu.co.jp Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain 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] GENTOSHA-EDU.CO.JP
e. [そしきめい] かぶしきがいしゃげんとうしゃえでゅけーしょん
f. [組織名] 株式会社幻冬舎エデュケーション
g. [Organization] GENTOSHA EDUCATION INC.
k. [組織種別] 株式会社
l. [Organization Type] corporation
m. [登録担当者] EF1389JP
n. [技術連絡担当者] TW123729JP
p. [ネームサーバ] 01.dnsv.jp
p. [ネームサーバ] 02.dnsv.jp
p. [ネームサーバ] 03.dnsv.jp
p. [ネームサーバ] 04.dnsv.jp
s. [署名鍵]
[状態] Connected (2023/07/31)
[登録年月日] 2008/07/28
[接続年月日] 2008/07/28
[最終更新] 2022/08/01 01:11:59 (JST)

DNS Records

DNS Lookup Tool

Host	A Record	TTL
gentosha-edu.co.jp	133.242.154.188	300

Host	MX Record	Priority	TTL
gentosha-edu.co.jp	mail.gentosha-edu.co.jp	10	300

Host	NS Record	TTL
gentosha-edu.co.jp	01.dnsv.jp	86400
gentosha-edu.co.jp	02.dnsv.jp	86400
gentosha-edu.co.jp	03.dnsv.jp	86400
gentosha-edu.co.jp	04.dnsv.jp	86400

Host	TXT Record	TTL

01.dnsv.jp
TTL: 86400
Email address: hostmaster.dnsv.jp
Serial: 1516698024
Refresh: 3600
Retry: 900
Expire: 604800
Minimum: 300

Gentosha-edu.co.jp HTML Validation

HTML Validation Tool

Errors

Almost standards mode doctype. Expected “<!DOCTYPE html>”.

Bad value “Content-Script-Type” for attribute “http-equiv” on element “meta”.

Bad value “Content-Style-Type” for attribute “http-equiv” on element “meta”.

Bad value “Imagetoolbar” for attribute “http-equiv” on element “meta”.

Element “option” without attribute “label” must not be empty.

Element “div” not allowed as child of element “span” in this context. (Suppressing further errors from this subtree.)

Attribute “height” not allowed on element “a” at this point.

Warnings

The “name” attribute is obsolete. Consider putting an “id” attribute on the nearest container instead.

Gentosha-edu.co.jp Desktop Insights

Desktop Page Insights Tool

Last tested: 02/18/2019

Desktop

Desktop Speed

33%

Optimize images

Avoid landing page redirects

Leverage browser caching

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Minify CSS

Minify HTML

Minify JavaScript

Desktop Resource Breakdown

Total Resources	103
Number of Hosts	10
Static Resources	94
JavaScript Resources	12
CSS Resources	5

Gentosha-edu.co.jp Mobile Insights

Mobile Page Insights Tool

Last tested: 02/18/2019

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

27%

Optimize images

Avoid landing page redirects

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Leverage browser caching

Minify JavaScript

Mobile Resource Breakdown

Total Resources	109
Number of Hosts	10
Static Resources	97
JavaScript Resources	15
CSS Resources	4

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Gentosha-edu.co.jp 幻冬舎edu

Quick Summary

Gentosha-edu.co.jp General Information

Gentosha-edu.co.jp Alexa Rank History

Gentosha-edu.co.jp Safety Information

Gentosha-edu.co.jp Server Information

Gentosha-edu.co.jp Domain Name Information

Gentosha-edu.co.jp HTML Validation

Gentosha-edu.co.jp Desktop Insights

Gentosha-edu.co.jp Mobile Insights

Gentosha-edu.co.jp Nearest Competitors

Gentosha-edu.co.jp Typos