Sedesign.co.jp
Server IP address resolved: No
Http response code: None
Last Checked: 01/30/2026
Sedesign.co.jp attracts 1,502 unique visitors daily, generating 3,005 pageviews. The estimated value of sedesign.co.jp is 2,311 USD. Each visitor views approximately 2.14 pages on average.
Sedesign.co.jp is hosted by CLOUDFLARESPECTRUM Cloudflare, Inc., GB. Check out other websites hosted by CLOUDFLARESPECTRUM Cloudflare, Inc., GB.
See the list of other websites hosted by CLOUDFLARESPECTRUM Cloudflare, Inc., GB.
Sedesign.co.jp is registered with the .JP top-level domain. Explore additional websites within the .JP zone.
According to the latest verification on (January 30, 2026), sedesign.co.jp has an invalid SSL certificate. Click the "Refresh" button in the Safety Information section for updated SSL details.
According to Google Safe Browsing, Google Safe Search and Symantec sedesign.co.jp appears to be a safe domain.
Based on Google's Mobile-Friendly test, sedesign.co.jp is not well optimized for mobile and tablet devices. Ensuring your site is mobile-friendly guarantees better performance across all devices, and improving the web page loading time could further enhance user experience.

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 ConnectSafe evaluates sedesign.co.jp for any unsafe and insecure content. The results are critical for families with young children.

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.

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.

McAfee assesses sedesign.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 sedesign.co.jp for mature or inappropriate content, only security checks are evaluated.

The WOT calculates reputation of the sedesign.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the sedesign.co.jp for safety features and confirms, whether sedesign.co.jp is suitable for children.
| WARNING! | Certificate download error. Previous scan results are shown below. |
| Domain | Unknown |
| Issuer Organization | Unknown |
| Issuer | Unknown |
| Algorithm | Unknown |
| Valid form | Unknown |
| Expiration | Unknown |
| Signed | No information |
| Additional Domains |
ASN ID: 209242
ASN Title: CLOUDFLARESPECTRUM Cloudflare, Inc., GB
Last Update: 09/04/2025
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2020, American Registry for Internet Numbers, Ltd.
#
No match found for a 209242.
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2020, American Registry for Internet Numbers, Ltd.
#
[ 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] SEDESIGN.CO.JP
e. [そしきめい] かぶしきがいしゃえすいーでざいん
f. [組織名] 株式会社SEデザイン
g. [Organization] SE Design Co.,Ltd.
k. [組織種別] 株式会社
l. [Organization Type] corporation
m. [登録担当者] YT9484JP
n. [技術連絡担当者] YT9621JP
p. [ネームサーバ] dns-b.iij.ad.jp
p. [ネームサーバ] dns-c.iij.ad.jp
s. [署名鍵]
[状態] Connected (2023/05/31)
[登録年月日] 2006/05/31
[接続年月日] 2006/05/31
[最終更新] 2022/06/01 01:10:35 (JST)
| Host | A Record | TTL |
|---|
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| sedesign.co.jp | sedesign-co-jp.mail.protection.outlook.com | 10 | 28800 |
| Host | NS Record | TTL |
|---|---|---|
| sedesign.co.jp | dns-b.iij.ad.jp | 28800 |
| sedesign.co.jp | dns-c.iij.ad.jp | 28800 |
| Host | TXT Record | TTL |
|---|---|---|
| sedesign.co.jp | v=spf1 include:spf.protection.outlook.com -all | 28800 |
| sedesign.co.jp | MS=ms74794484 | 28800 |
dns-b.iij.ad.jp
TTL: 28800
Email address: dns-managers.iij.ad.jp
Serial: 1555899281
Refresh: 3600
Retry: 1800
Expire: 3600000
Minimum: 900
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