Keio.ac.jp Keio University

Keio University is a leading research university committed to excellence and innovation in education, research and medicine. It is located in central ...


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.24 sec.
Last Checked: 04/19/2024

Keio.ac.jp traffic volume is 10,724 unique daily visitors and their 66,486 pageviews. The web value rate of keio.ac.jp is 1,162,277 USD. Each visitor makes around 6.63 page views on average.

By Alexa's traffic estimates keio.ac.jp placed at 3,587 position over the world, while the largest amount of its visitors comes from Japan, where it takes 899 place.

Perfect for keio.ac.jp that their data center (provided by company company KEIO-NET Keio University, 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 KEIO-NET Keio University, JP.

Keio.ac.jp registered under .JP top-level domain. Check other websites in .JP zone.

The last verification results, performed on (November 28, 2019) keio.ac.jp show that keio.ac.jp has an expired SSL certificate issued by National Institute of Informatics (expired on May 26, 2020). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by National Institute of Informatics.

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

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


Global Rank
10,441
Average Load Time
1.48sec
Links In Count
9,150
Website Value
$1.1 M

Overview
Last Updated: 04/19/2024
Overall result - keio.ac.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: 03/21/2024
keio.ac.jp is safe.
Norton ConnectSafe evaluates keio.ac.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 02/07/2019
keio.ac.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
keio.ac.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
keio.ac.jp is safe.
McAfee assesses keio.ac.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 keio.ac.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
keio.ac.jp child safety is very good.
The WOT calculates reputation of the keio.ac.jp. This reputation system receives ratings from users and information from third-party sources, assesses the keio.ac.jp for safety features and confirms, whether keio.ac.jp is suitable for children.

SSL Information
Domainwww.keio.ac.jp
Issuer OrganizationNational Institute of Informatics
IssuerNII Open Domain CA - G5
AlgorithmRSA-SHA256
Valid form04/25/2018
Expiration05/26/2020
SignedCertificate is not self signed
Additional Domains www.keio.ac.jp
Server Location

ASN Information

ASN ID: 38635
ASN Title: KEIO-NET Keio University, JP

Last Update: 10/02/2023

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

% Information related to 'AS37888 - AS38911'

as-block: AS37888 - AS38911
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: 2009-09-29T06:04:16Z
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 'AS38627 - AS38656'

as-block: AS38627 - AS38656
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. 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: 2009-11-19T01:11:45Z
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 'AS38635'

aut-num: AS38635
as-name: KEIO-NET
descr: Keio University
import:
export:
country: JP
admin-c: JP00034742
tech-c: SH567JP
tech-c: TH985JP
tech-c: TO13574JP
tech-c: TY11794JP
last-modified: 2012-03-11T02:29:04Z
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] KEIO.AC.JP
e. [そしきめい] けいおうぎじゅくだいがく
f. [組織名] 慶應義塾大学
g. [Organization] Keio University
k. [組織種別] 大学
l. [Organization Type] University
m. [登録担当者] ON1390JP
n. [技術連絡担当者] SH567JP
n. [技術連絡担当者] TH985JP
n. [技術連絡担当者] TO13574JP
n. [技術連絡担当者] TY11794JP
p. [ネームサーバ] a1-123.akam.net
p. [ネームサーバ] a14-66.akam.net
p. [ネームサーバ] a26-67.akam.net
p. [ネームサーバ] a3-64.akam.net
p. [ネームサーバ] a4-65.akam.net
p. [ネームサーバ] a5-66.akam.net
s. [署名鍵]
[状態] Connected (2022/03/31)
[登録年月日]
[接続年月日] 2011/03/31
[最終更新] 2021/04/01 01:05:28 (JST)


DNS Records
HostA RecordTTL
keio.ac.jp131.113.131.11310800
HostMX RecordPriorityTTL
keio.ac.jpvmx2.m0.keio.ac.jp010800
HostNS RecordTTL
keio.ac.jpa5-66.akam.net10800
keio.ac.jpa26-67.akam.net10800
keio.ac.jpa14-66.akam.net10800
keio.ac.jpa1-123.akam.net10800
keio.ac.jpa4-65.akam.net10800
keio.ac.jpa3-64.akam.net10800
HostTXT RecordTTL
keio.ac.jpv=spf1 ip4:131.113.0.0/16 ip4:133.27.0.0/16 ip6:2001:df0:eb::/48 ip6:2001:200:1c0::/48 ip6:2001:df2:c900::/48 ~all10800

nsm0.keio.ac.jp
TTL: 86400
Email address: postmaster.keio.ac.jp
Serial: 2019071800
Refresh: 10800
Retry: 3600
Expire: 1209600
Minimum: 3600


Errors
Warnings

Last tested: 12/04/2019

Desktop
Desktop Speed
25%

Desktop Resource Breakdown
Total Resources84
Number of Hosts13
Static Resources69
JavaScript Resources17
CSS Resources8

Last tested: 12/05/2019

Mobile
Mobile Usability
99%
Mobile Speed
17%

Mobile Resource Breakdown
Total Resources72
Number of Hosts7
Static Resources66
JavaScript Resources9
CSS Resources7
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