Seg.co.jp 科学的教育グループSEG

科学的教育グループSEGのページです。「心に広がる数学の世界を! 多読・多聴で生きた英語を!」 中1~高3・高卒生を対象にした、大学受験の学習塾です。東大をはじめ難関大学の合格を目指す方が多く通っています。


Seg.co.jp Overview

Seg.co.jp ranking shows that the page is at position 76,025 over the world, while the bulk of its audience is from Japan, where it ranks 10,683.

It is beneficial to seg.co.jp that their hosting company SAKURA-A SAKURA Internet Inc., JP servers are located in Japan, as that reduces page load time for the majority of their users. See the list of other webpages hosted on SAKURA-A SAKURA Internet Inc., JP servers.

In terms of rank-to-traffic ratio, seg.co.jp has 2,387 unique users per day, viewing 9,403 pages. The rank based value of seg.co.jp is 160,834 USD. Every user makes 4.21 pageviews on average.

Seg.co.jp boasts a link base consisting of 233 referring domains and 344 external backlinks, as revealed by the data obtained from web network scanning.

Seg.co.jp top-level domain belongs to .JP domain zone. Check other webpages in .JP zone.

According the last verification test in July 02, 2024, seg.co.jp has an expired SSL certificate issued by Let's Encrypt (expired on September 04, 2024). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Let's Encrypt.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust seg.co.jp is a fairly safe domain.

According the Mobile-Friendly test by Google seg.co.jp is nice optimized for mobile devices and tablets.


Seg.co.jp Rank Summary

Global Rank
76,025
Average Load Time
0.26sec
Links In Count
193
Website Value
$148,920

Seg.co.jp Website Safety

logo
Overview
Last Updated: 11/23/2024
Overall result - seg.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 logo
Norton Connect Safe
Last Updated: 03/20/2024
seg.co.jp is safe.
Norton ConnectSafe evaluates seg.co.jp for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 03/16/2019
seg.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 brwosing logo
Google Safe Browsing
Last Updated: 01/09/2019
seg.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.
McAfee logo
Site Advisor
Last Updated: 02/26/2021
seg.co.jp is safe.
McAfee assesses seg.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 seg.co.jp for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/10/2019
seg.co.jp child safety is very good.
The WOT calculates reputation of the seg.co.jp. This reputation system receives ratings from users and information from third-party sources, assesses the seg.co.jp for safety features and confirms, whether seg.co.jp is suitable for children.

SSL Information
Domainwww.seg.co.jp
Issuer OrganizationLet's Encrypt
IssuerR11
AlgorithmRSA-SHA256
Valid form06/06/2024
Expiration09/04/2024
SignedCertificate is not self signed
Additional Domains seg.co.jp
www.seg.co.jp

Seg.co.jp Rank History

Seg.co.jp Hosting Information

Server Location

ASN Information

ASN ID: 7684

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

Last Update: 10/28/2024

% [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.
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: 2017-06-12T03:54:30Z
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)

Seg.co.jp Domain Registration and Settings

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] SEG.CO.JP
e. [そしきめい] かぶしきがいしゃえすいーじー
f. [組織名] 株式会社エスイージー
g. [Organization] SEG Corp.
k. [組織種別] 株式会社
l. [Organization Type] Company
m. [登録担当者] AF004JP
n. [技術連絡担当者] TJ4141JP
p. [ネームサーバ] ik1-403-33746.vs.sakura.ne.jp
p. [ネームサーバ] ns1.dns.ne.jp
p. [ネームサーバ] ns2.dns.ne.jp
s. [署名鍵]
[状態] Connected (2025/01/31)
[登録年月日] 1994/01/19
[接続年月日] 1994/03/10
[最終更新] 2024/02/01 01:02:04 (JST)


DNS Records
HostA RecordTTL
seg.co.jp133.242.138.4986400
HostMX RecordPriorityTTL
seg.co.jpn.seg.co.jp107200
HostNS RecordTTL
seg.co.jpns2.dns.ne.jp86400
seg.co.jpsakura.seg.co.jp86400
seg.co.jpwww2035uj.sakura.ne.jp86400
seg.co.jpns1.dns.ne.jp86400
HostTXT RecordTTL
seg.co.jpv=spf1 +ip4:218.216.75.0/29 +ip4:157.250.87.232 +ip4:211.9.32.192/27 +ip4:211.9.33.0/27 +ip4:133.242.138.49 +ip4:210.166.213.105 +ip4:49.212.24.103 +ip6:2002:dad8:4b05::1 +ip6:2001:298:404:f210::0/120 +ip6:2001:298:404:f202::0/120 ?all86400

sakura.seg.co.jp
TTL: 86400
Email address: postmaster.seg.co.jp
Serial: 2019091401
Refresh: 10800
Retry: 1800
Expire: 360000
Minimum: 86400

Seg.co.jp HTML Check

Warnings

Errors

Seg.co.jp Desktop Performance

Last tested: 08/21/2015

Speedometer image
Desktop Speed
100%

Desktop Resource Breakdown
Total Resources1
Number of Hosts1

Seg.co.jp Mobile Insights

Last tested: 08/21/2015

Speedometer image
Mobile Usability
89%
Speedometer image
Mobile Speed
100%

Mobile Resource Breakdown
Total Resources1
Number of Hosts1

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