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
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 07/14/2020

Alc.co.jp traffic estimate is about 196,743 unique visitors and 302,984 pageviews per day. The approximated value of alc.co.jp is 3,981,420 USD. Every unique visitor makes about 1.54 pageviews on average.

Alexa Traffic Rank estimates that alc.co.jp is ranked number 940 in the world, while most of its traffic comes from Japan, where it occupies as high as 149 place.

It’s good for alc.co.jp that their hosting company SECOMTRUST SECOM Trust Systems Co.,Ltd., JP is located in Japan, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by SECOMTRUST SECOM Trust Systems Co.,Ltd., JP.

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

During 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, please click the “Refresh” button for SSL Information at the Safety Information section. Check other 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 on Google Mobile-Friendly test alc.co.jp is well optimized for mobile and tablet devices, however website page loading time may be improved.

Global Rank
2,285
Average Load Time
1.50sec
Links In Count
2,276
Website Value
$4.0 M
Overview
Last Updated: 07/14/2020
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: 01/12/2019
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: 01/09/2019
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: 02/22/2020
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 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: 10006
ASN Title: SECOMTRUST SECOM Trust Systems Co.,Ltd., JP

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
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