Sei-info.co.jp ホーム | 住友電工情報システム株式会社

住友電工情報システムは、Webアプリケーション開発ツール、ワークフローシステム、文書管理システム、購買管理システム、エンタープライズサーチ、Excel業務効率化ツール、IT資産/セキュリティ統合管理システムなど先進のソフトウェア製品を自社開発・純国産パッケージで提供します。

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 02/03/2025

Sei-info.co.jp attracts 495 unique visitors daily, generating 991 pageviews. The estimated value of sei-info.co.jp is 9,373 USD. Each visitor views approximately 2.14 pages on average.

According to Majestic's traffic estimates, sei-info.co.jp ranks 20,656 globally, with the majority of its visitors coming from Japan, where it holds the 42,128 position.

It is beneficial for sei-info.co.jp that their data center (provided by SO-NET So-net Entertainment Corporation, JP) is located in Japan, as this helps reduce page load time for most visitors.

See the list of other websites hosted by SO-NET So-net Entertainment Corporation, JP.

Sei-info.co.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.

The last inspection on (July 27, 2024), confirms that sei-info.co.jp holds a valid and current SSL certificate issued by DigiCert Inc expiring on July 09, 2025. Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by DigiCert Inc.

According to Google Safe Browsing, Google Safe Search and Symantec sei-info.co.jp appears to be a safe domain.

Based on Google's Mobile-Friendly test, sei-info.co.jp is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Global Rank
732,442
Average Load Time
1.43sec
Links In Count
67
Website Value
$8,760
Overview
Last Updated: 02/03/2025
Overall result - sei-info.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: 04/03/2024
sei-info.co.jp is safe.
Norton ConnectSafe evaluates sei-info.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 01/17/2017
sei-info.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-info.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: 03/03/2021
sei-info.co.jp is safe.
McAfee assesses sei-info.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-info.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 02/03/2025
sei-info.co.jp child safety is unknown.
The WOT calculates reputation of the sei-info.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the sei-info.co.jp for safety features and confirms, whether sei-info.co.jp is suitable for children.

Sei-info.co.jp | SSL Certificate Information
Domainwww.sei-info.co.jp
Issuer OrganizationDigiCert Inc
IssuerGeoTrust TLS RSA CA G1
AlgorithmRSA-SHA256
Valid form06/21/2024
Expiration07/09/2025
SignedCertificate is not self signed
Additional Domains www.sei-info.co.jp
sei-info.co.jp
Server Location

Sei-info.co.jp ASN Information

ASN ID: 2527
ASN Title: SO-NET So-net Entertainment Corporation, JP

Last Update: 12/20/2024

% [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 'AS2527'

aut-num: AS2527
as-name: So-net
descr: So-net Entertainment Corporation
import: from AS2497 100 accept ANY
import: from AS2914 100 accept ANY
import: from AS3549 100 accept ANY
import: from AS5511 100 accept ANY
export: to AS2497 announce AS2527
export: to AS2914 announce AS2527
export: to AS3549 announce AS2527
export: to AS5511 announce AS2527
country: JP
admin-c: MK2734JP
tech-c: JP00019611
last-modified: 2007-11-08T05:14:05Z
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-INFO.CO.JP
e. [そしきめい] すみともでんこうじょうほうしすてむかぶしき
かいしゃ
f. [組織名] 住友電工情報システム株式会社
g. [Organization] Sumitomo Electric Information Systems Co.,Ltd.
k. [組織種別] 株式会社
l. [Organization Type] Corporation
m. [登録担当者] YH1034JP
n. [技術連絡担当者] KN1407JP
p. [ネームサーバ] ns02.sei.co.jp
p. [ネームサーバ] seigate-y.sei.co.jp
s. [署名鍵]
[状態] Connected (2025/01/31)
[ロック状態] AgentChangeLocked
[登録年月日] 1999/01/27
[接続年月日] 1999/03/29
[最終更新] 2024/02/01 01:02:38 (JST)


DNS Records
HostA RecordTTL
sei-info.co.jp159.28.116.60600
HostMX RecordPriorityTTL
sei-info.co.jpseimgex3.sei.co.jp50600
sei-info.co.jpseimgex4.sei.co.jp50600
sei-info.co.jpseimgex1.sei.co.jp70600
sei-info.co.jpseimgex2.sei.co.jp50600
HostNS RecordTTL
sei-info.co.jpns02.sei.co.jp600
sei-info.co.jpseigate.sei.co.jp600
sei-info.co.jpseigate-y.sei.co.jp600
HostTXT RecordTTL
sei-info.co.jpv=spf1 +ip4:219.106.230.200/29 +ip4:60.56.229.0/28 +ip4:210.128.0.156 +ip4:133.242.247.134 +ip4:153.125.133.72 include:spf.smktg.jp include:mktomail.com ~all600

seigate.sei.co.jp
TTL: 600
Email address: postmaster.sei-info.co.jp
Serial: 2023071301
Refresh: 28800
Retry: 14400
Expire: 3600000
Minimum: 86400

Warnings

Last tested: 01/30/2016

Desktop
Desktop Speed
46%

Desktop Resource Breakdown
Total Resources124
Number of Hosts5
Static Resources97
JavaScript Resources16
CSS Resources6

Last tested: 11/11/2019

Mobile
Mobile Usability
96%
Mobile Speed
58%

Mobile Resource Breakdown
Total Resources125
Number of Hosts13
Static Resources6
JavaScript Resources27
CSS Resources6
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