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。
Server IP address resolved: Yes
Http response code: 200
Response time: 1.61 sec.
Last Checked: 08/15/2024
Over the time seg.co.jp has been ranked as high as 19,481 in the world, while most of its traffic comes from Japan, where it reached as high as 10,683 position.
Seg.co.jp receives about 2,231 unique visitors and 8,701 pageviews per day. The estimated value of seg.co.jp is 148,920 USD. Each unique visitor makes about 3.9 pageviews on average.
Seg.co.jp is registered under .JP top-level domain. Check other websites in .JP zone.
At the time of the last check (July 02, 2024) seg.co.jp has an expired SSL certificate issued by Let's Encrypt (expired on September 04, 2024). Check other websites using SSL certificates issued by Let's Encrypt.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust seg.co.jp is quite a safe domain.
Mobile-Friendly test indicates that seg.co.jp is well optimized for mobile and tablet devices.
Alexa Rank shows how popular seg.co.jp is in comparison with other sites. The most popular site has Alexa Rank equals 1. If seg.co.jp has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to seg.co.jp and pageviews on seg.co.jp over the past 3 months.
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 seg.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.
"seg.co.jp" is not a phishing page.
"seg.co.jp" does not install unwanted software.
"seg.co.jp" does not contain harmfull applications.
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 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.
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.
Domain | www.seg.co.jp |
Issuer Organization | Let's Encrypt |
Issuer | R11 |
Algorithm | RSA-SHA256 |
Valid form | 06/06/2024 |
Expiration | 09/04/2024 |
Signed | Certificate is not self signed |
Additional Domains | seg.co.jp www.seg.co.jp |
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)
[ 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 (2022/01/31)
[登録年月日] 1994/01/19
[接続年月日] 1994/03/10
[最終更新] 2021/02/01 01:04:05 (JST)
Host | A Record | TTL |
---|---|---|
seg.co.jp | 133.242.138.49 | 86400 |
Host | MX Record | Priority | TTL |
---|---|---|---|
seg.co.jp | n.seg.co.jp | 10 | 7200 |
Host | NS Record | TTL |
---|---|---|
seg.co.jp | ns2.dns.ne.jp | 86400 |
seg.co.jp | sakura.seg.co.jp | 86400 |
seg.co.jp | www2035uj.sakura.ne.jp | 86400 |
seg.co.jp | ns1.dns.ne.jp | 86400 |
Host | TXT Record | TTL |
---|---|---|
seg.co.jp | v=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 ?all | 86400 |
sakura.seg.co.jp
TTL: 86400
Email address: postmaster.seg.co.jp
Serial: 2019091401
Refresh: 10800
Retry: 1800
Expire: 360000
Minimum: 86400
Last tested: 08/21/2015
Total Resources | 1 |
Number of Hosts | 1 |
Last tested: 08/21/2015
Total Resources | 1 |
Number of Hosts | 1 |
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