Sei.co.jp 住友電工 | Connect with Innovation

独創的な研究開発を通じ、自動車、情報通信、エレクトロニクス、電線・機材・エネルギー、産業素材の5つの分野で、幅広く事業を展開し、社会インフラの発展に貢献するグローバルカンパニー。


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.90 sec.
Last Checked: 03/29/2024

Sei.co.jp traffic volume is 1,030 unique daily visitors and their 6,904 pageviews. The web value rate of sei.co.jp is 121,852 USD. Each visitor makes around 7.17 page views on average.

By Alexa's traffic estimates sei.co.jp placed at 20,609 position over the world, while the largest amount of its visitors comes from Japan, where it takes 25,256 place.

Perfect for sei.co.jp that their data center (provided by company company OCN NTT Communications 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 OCN NTT Communications Corporation, JP.

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

The last verification results, performed on (September 26, 2022) sei.co.jp show that sei.co.jp has an expired SSL certificate issued by DigiCert Inc (expired on November 30, 2022). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by DigiCert Inc.

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

Relying Google MobileFriendly test sei.co.jp is not well optimized for mobiles and tablets. Designing your sites to be mobile friendly ensures that all of your web pages perform well on all devices, also website page loading time may be improved.


Global Rank
97,739
Average Load Time
0.25sec
Links In Count
640
Website Value
$113,880

Overview
Last Updated: 03/29/2024
Overall result - sei.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: 03/22/2024
sei.co.jp is safe.
Norton ConnectSafe evaluates sei.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/22/2016
sei.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
sei.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: 02/23/2021
sei.co.jp is safe.
McAfee assesses sei.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 sei.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/10/2019
sei.co.jp child safety is very good.
The WOT calculates reputation of the sei.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the sei.co.jp for safety features and confirms, whether sei.co.jp is suitable for children.

SSL Information
Domainsei.co.jp
Issuer OrganizationDigiCert Inc
IssuerDigiCert TLS RSA SHA256 2020 CA1
AlgorithmRSA-SHA256
Valid form11/01/2021
Expiration11/30/2022
SignedCertificate is not self signed
Additional Domains sei.co.jp
www.sei.co.jp
global-sei.com
global-sei.cn
www.sei-group-csr.or.jp
www.sumitomoelectric.com
Server Location

ASN Information

ASN ID: 4713
ASN Title: OCN NTT Communications Corporation, JP

Last Update: 10/06/2023

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

% Information related to 'AS4608 - AS4864'

as-block: AS4608 - AS4864
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 'AS4672 - AS4735'

as-block: AS4672 - AS4735
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 'AS4713'

aut-num: AS4713
as-name: OCN
descr: NTT Communications Corporation
import:
export:
country: JP
admin-c: AY1361JP
tech-c: TT10660JP
tech-c: TT15086JP
last-modified: 2009-11-14T02:13:12Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

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] SEI.CO.JP
e. [そしきめい] すみともでんきこうぎょうかぶしきかいしゃ
f. [組織名] 住友電気工業株式会社
g. [Organization] SUMITOMO ELECTRIC INDUSTRIES, LTD.
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] HI4020JP
n. [技術連絡担当者] SO3185JP
p. [ネームサーバ] seigate.sei.co.jp
p. [ネームサーバ] seigate-y.sei.co.jp
p. [ネームサーバ] gemini.starnet.ad.jp
s. [署名鍵]
[状態] Connected (2021/10/31)
[登録年月日] 1996/10/21
[接続年月日] 1996/11/21
[最終更新] 2020/11/01 01:01:38 (JST)


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings

Last tested: 11/13/2018

Desktop
Desktop Speed
51%

Desktop Resource Breakdown
Total Resources61
Number of Hosts2
Static Resources60
JavaScript Resources9
CSS Resources4

Last tested: 11/13/2018

Mobile
Mobile Usability
59%
Mobile Speed
43%

Mobile Resource Breakdown
Total Resources60
Number of Hosts2
Static Resources59
JavaScript Resources9
CSS Resources4
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