Science-t.com 技術セミナーの開催・書籍出版 サイエンス&テクノロジー<S&T>

サイエンス&テクノロジー(S&T)は技術者・研究者のための技術セミナー(技術講習会)や技術書籍の出版をしています。化学・高分子・エレクトロニクス、医薬品・医療機器・化粧品、特許・法規制など幅広い分野の最新情報をご案内しております。社員研修や社員教育にもどうぞご活用ください。

Online Status
Offline

Server IP address resolved: No
Http response code: None
Last Checked: 12/19/2025

Science-t.com attracts 383 unique visitors daily, generating 383 pageviews. The estimated value of science-t.com is 3,124 USD. Each visitor views approximately 1.07 pages on average.

According to Majestic's traffic estimates, science-t.com ranks 35,399 globally.

Science-t.com server is located in Japan, so we cannot determine if the distance might affect the page load time.

See the list of other websites hosted by SAKURA-A SAKURA Internet Inc., JP.

Science-t.com is registered with the .COM top-level domain. Explore additional websites within the .COM zone.

A recent examination on (August 02, 2024), indicates that science-t.com has an expired SSL certificate issued by GlobalSign nv-sa (expired on December 03, 2024). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by GlobalSign nv-sa.

According to Google Safe Browsing, Google Safe Search and Symantec science-t.com appears to be a safe domain.

Based on Google's Mobile-Friendly test, science-t.com is optimized for mobile and tablet devices, although the web page loading speed could be improved.

Global Rank
1,925,034
Average Load Time
4.42sec
Links In Count
57
Website Value
$2,920
Overview
Last Updated: 12/19/2025
Overall result - science-t.com 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: 03/31/2025
science-t.com is safe.
Norton ConnectSafe evaluates science-t.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 12/24/2016
science-t.com 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
science-t.com 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: 03/01/2021
science-t.com is safe.
McAfee assesses science-t.com 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 science-t.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 12/19/2025
science-t.com child safety is unknown.
The WOT calculates reputation of the science-t.com. This reputation system receives ratings from users and information from third-party sources, assesses the science-t.com for safety features and confirms, whether science-t.com is suitable for children.

Science-t.com | SSL Certificate Information
Domainwww.science-t.com
Issuer OrganizationGlobalSign nv-sa
IssuerGlobalSign GCC R3 DV TLS CA 2020
AlgorithmRSA-SHA256
Valid form11/02/2023
Expiration12/03/2024
SignedCertificate is not self signed
Additional Domains www.science-t.com
science-t.com
Server Location

Science-t.com ASN Information

ASN ID: 7684
ASN Title: SAKURA-A SAKURA Internet Inc., JP

Last Update: 08/28/2025

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

% Information related to 'AS7467 - AS7722'

as-block: AS7467 - AS7722
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 'AS7660 - AS7691'

as-block: AS7660 - AS7691
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.
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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 'AS7684'

aut-num: AS7684
as-name: SAKURA-A
descr: SAKURA Internet Inc.
import: from AS2497 100 accept ANY
import: from AS4703 110 accept ANY
import: from AS7514 110 accept ANY
import: from AS7501 110 accept ANY
export: to AS2497 announce AS7684
export: to AS4703 announce AS7684
export: to AS7514 announce AS7684
export: to AS7501 announce AS7684
country: JP
admin-c: KT749JP
tech-c: KT749JP
tech-c: KW419JP
last-modified: 2007-05-23T21:17:06Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US3)

WHOIS

Domain Name: SCIENCE-T.COM
Registry Domain ID: 138266875_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.jprs.jp
Registrar URL: http://jprs.jp/registrar/
Updated Date: 2023-03-27T15:14:06Z
Creation Date: 2004-12-27T04:29:55Z
Registry Expiry Date: 2025-12-27T04:29:55Z
Registrar: Japan Registry Services Co., Ltd.
Registrar IANA ID: 1485
Registrar Abuse Contact Email: gtld-abuse@jprs.jp
Registrar Abuse Contact Phone: +81.352158457
Domain Status: ok https://icann.org/epp#ok
Name Server: NS1.DNS.NE.JP
Name Server: NS2.DNS.NE.JP
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-02-23T21:42:53Z


DNS Records
HostA RecordTTL
science-t.com133.242.10.643600
HostMX RecordPriorityTTL
science-t.comsciencet.sakura.ne.jp103600
HostNS RecordTTL
science-t.comns1.dns.ne.jp3600
science-t.comns2.dns.ne.jp3600
HostTXT RecordTTL
science-t.comv=spf1 ip4:133.167.8.185 ip4:133.242.10.64 include:spf.haihaimail.jp a:www5245.sakura.ne.jp mx ~all3600

master.dns.ne.jp
TTL: 3600
Email address: tech.sakura.ad.jp
Serial: 2023091403
Refresh: 3600
Retry: 900
Expire: 3600000
Minimum: 3600


Errors
Warnings

Last tested: 01/17/2019

Desktop
Desktop Speed
3%

Desktop Resource Breakdown
Total Resources111
Number of Hosts5
Static Resources103
JavaScript Resources30
CSS Resources23

Last tested: 01/17/2019

Mobile
Mobile Usability
97%
Mobile Speed
3%

Mobile Resource Breakdown
Total Resources111
Number of Hosts5
Static Resources103
JavaScript Resources30
CSS Resources23
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