Alc.co.jp 英語学習・TOEIC対策・英辞郎 on the WEB | アルク

英語・子供英語・日本語の通信講座や学習書、オンラインサービスを提供するアルクのウェブサイト。あなたのレベルや目的に合った語学学習教材がきっと見つかります。英辞郎 on the WEBやTOEICなどの無料コンテンツも充実。

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.17 sec.
Last Checked: 03/02/2021

Alc.co.jp traffic volume is 161,008 unique daily visitors and their 289,815 pageviews. The web value rate of alc.co.jp is 3,810,206 USD. Each visitor makes around 1.93 page views on average.

By Alexa's traffic estimates alc.co.jp placed at 940 position over the world, while the largest amount of its visitors comes from Japan, where it takes 170 place.

Perfect for alc.co.jp that their data center (provided by company company VECTANT ARTERIA Networks Corporation, JP) is located in Japan, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by VECTANT ARTERIA Networks Corporation, JP.

Alc.co.jp registered under .JP top-level domain. Check other websites in .JP zone.

The last verification results, performed on (November 28, 2019) alc.co.jp show that alc.co.jp has an expired wildcard SSL certificate issued by GlobalSign nv-sa (expired on October 20, 2020). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by GlobalSign nv-sa.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust alc.co.jp is pretty a safe domain.

Relying Google MobileFriendly test alc.co.jp is well optimized for mobile and tablet devices, however web page loading speed may be improved.

Global Rank
2,548
Average Load Time
1.16sec
Links In Count
1,944
Website Value
$3.6 M
Overview
Last Updated: 03/02/2021
Overall result - alc.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: 08/05/2020
alc.co.jp is safe.
Norton ConnectSafe evaluates alc.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/10/2016
alc.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: 08/11/2020
alc.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.
Site Advisor
Last Updated: 02/22/2021
alc.co.jp is safe.
McAfee assesses alc.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 alc.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
alc.co.jp child safety is very good.
The WOT calculates reputation of the alc.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the alc.co.jp for safety features and confirms, whether alc.co.jp is suitable for children.

SSL Information
Domain *.alc.co.jp
Issuer Organization GlobalSign nv-sa
Issuer GlobalSign RSA OV SSL CA 2018
Algorithm RSA-SHA256
Valid form 08/16/2019
Expiration 10/20/2020
Signed Certificate is not self signed
Additional Domains *.alc.co.jp
alc.co.jp
Server Location

ASN Information

ASN ID: 2519
ASN Title: VECTANT ARTERIA Networks Corporation, JP

Last Update: 10/09/2020

% [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] ALC.CO.JP
e. [そしきめい] かぶしきがいしゃ あるく
f. [組織名] 株式会社 アルク
g. [Organization] ALC PRESS INC.
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] TK66678JP
n. [技術連絡担当者] TK66678JP
p. [ネームサーバ] ns3.scnet.ne.jp
p. [ネームサーバ] viola.scsc3.net
s. [署名鍵]
[状態] Connected (2020/06/30)
[登録年月日] 1995/06/05
[接続年月日] 1995/07/24
[最終更新] 2019/07/01 01:08:57 (JST)


DNS Records
HostA RecordTTL
alc.co.jp165.100.234.44600
HostMX RecordPriorityTTL
alc.co.jpALT3.ASPMX.L.GOOGLE.COM303600
alc.co.jpASPMX.L.GOOGLE.COM103600
alc.co.jpALT1.ASPMX.L.GOOGLE.COM203600
alc.co.jpALT2.ASPMX.L.GOOGLE.COM203600
alc.co.jpALT4.ASPMX.L.GOOGLE.COM303600
HostNS RecordTTL
alc.co.jpviola.scsc3.net600
alc.co.jpns3.scnet.ne.jp600
HostTXT RecordTTL
alc.co.jp_globalsign-domain-verification=rawm9IbP52XIEqjdm6IlWa-wKVA4sD_xfvCIzLy0Mo3600
alc.co.jpgoogle-site-verification=-_nYH7RHkN6ulWs-QEs_t4-s_qMcHE61fyJ1Xw5Jjis3600
alc.co.jpv=spf13600
alc.co.jpMS=ms590479963600

ns3.scnet.ne.jp
TTL: 600
Email address: hostmaster.scnet.ne.jp
Serial: 2019073010
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600


Errors
Warnings

Last tested: 07/10/2017

Desktop
Desktop Speed
24%

Desktop Resource Breakdown
Total Resources245
Number of Hosts61
Static Resources108
JavaScript Resources72
CSS Resources16

Last tested: 05/21/2017

Mobile
Mobile Usability
99%
Mobile Speed
25%

Mobile Resource Breakdown
Total Resources235
Number of Hosts60
Static Resources161
JavaScript Resources64
CSS Resources11
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