Show

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: 07/19/2020

Over the time alc.co.jp has been ranked as high as 940 in the world, while most of its traffic comes from Japan, where it reached as high as 170 position.

Alc.co.jp receives about 150,475 unique visitors and 270,855 pageviews per day. The estimated value of alc.co.jp is 3,560,940 USD. Each unique visitor makes about 1.8 pageviews on average.

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

At the time of the last check (November 28, 2019) alc.co.jp has a valid and up-to-date wildcard SSL certificate issued by GlobalSign nv-sa that expires on October 20, 2020. Check other websites using SSL certificates issued by GlobalSign nv-sa.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust alc.co.jp is quite a safe domain.

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

Global Rank
2,548
Average Load Time
1.16sec
Links In Count
1,944
Website Value
$3.6 M
Overview
Last Updated: 08/14/2020
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
Malware not found at "alc.co.jp".
"alc.co.jp" is not a phishing page.
"alc.co.jp" does not install unwanted software.
"alc.co.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: 02/22/2020
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 isvery 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 OrganizationGlobalSign nv-sa
Issuer GlobalSign RSA OV SSL CA 2018
Algorithm RSA-SHA256
Valid form 08/16/2019
Expiration 10/20/2020
SignedCertificate is not self signed
Additional Domains *.alc.co.jp
alc.co.jp
Server Location
Tokyo
Tokyo
Japan
ASN Information

Last Update: 03/05/2020

% [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 'AS9990 - AS10021'

as-block: AS9990 - AS10021
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 'AS10006'

aut-num: AS10006
as-name: SECOMTRUST
descr: SECOM Trust Systems Co.,Ltd.
import: from AS2519 100 accept ANY
import: from AS2516 100 accept ANY
export: to AS2519 announce AS10006
export: to AS2516 announce AS10006
country: JP
admin-c: RO589JP
tech-c: HS16624JP
tech-c: YI9175JP
last-modified: 2012-06-05T21:49:18Z
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
www.alc.com
www.alc.net
www.alc.org
www.alc.info
www.alc.biz
www.alc.us
www.alc.mobi
www.lc.co.jp
www.alc.co.jp
www.qlc.co.jp
www.aqlc.co.jp
www.qalc.co.jp
www.wlc.co.jp
www.awlc.co.jp
www.walc.co.jp
www.slc.co.jp
www.aslc.co.jp
www.salc.co.jp
www.zlc.co.jp
www.azlc.co.jp
www.zalc.co.jp
www.ac.co.jp
www.apc.co.jp
www.alpc.co.jp
www.aplc.co.jp
www.aoc.co.jp
www.aloc.co.jp
www.aolc.co.jp
www.akc.co.jp
www.alkc.co.jp
www.aklc.co.jp
www.al.co.jp
www.alx.co.jp
www.alcx.co.jp
www.alxc.co.jp
www.ald.co.jp
www.alcd.co.jp
www.aldc.co.jp
www.alf.co.jp
www.alcf.co.jp
www.alfc.co.jp
www.alv.co.jp
www.alcv.co.jp
www.alvc.co.jp