Dotinstall.com ドットインストール - 3分動画でマスターできるプログラミング学習サービス

3分動画で初心者や独学の方でも無理なく勉強が続くプログラミング学習サービスです。Web制作の基礎から子供向けのゲーム制作レッスン、さらにシステム開発に使われるPHP、Ruby、Pythonなどの入門レッスンまで幅広く言語を体験できます。


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 1.00 sec.
Last Checked: 03/29/2024

Dotinstall.com traffic volume is 2,930 unique daily visitors and their 21,679 pageviews. The web value rate of dotinstall.com is 384,301 USD. Each visitor makes around 7.92 page views on average.

By Alexa's traffic estimates dotinstall.com placed at 3,306 position over the world, while the largest amount of its visitors comes from Japan, where it takes 2,294 place.

Perfect for dotinstall.com that their data center (provided by company company SAKURA-B SAKURA Internet Inc., JP) is located in Japan, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by SAKURA-B SAKURA Internet Inc., JP.

Dotinstall.com registered under .COM top-level domain. Check other websites in .COM zone.

The last verification results, performed on (November 22, 2019) dotinstall.com show that dotinstall.com has an expired SSL certificate issued by DigiCert Inc (expired on May 11, 2020). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by DigiCert Inc.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust dotinstall.com is pretty a safe domain.

Relying Google MobileFriendly test dotinstall.com is well optimized for mobile and tablet devices.


Global Rank
31,158
Average Load Time
1.09sec
Links In Count
982
Website Value
$359,160

Overview
Last Updated: 03/29/2024
Overall result - dotinstall.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: 03/21/2024
dotinstall.com is safe.
Norton ConnectSafe evaluates dotinstall.com for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/12/2016
dotinstall.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
dotinstall.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: 02/22/2021
dotinstall.com is safe.
McAfee assesses dotinstall.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 dotinstall.com for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 01/09/2019
dotinstall.com child safety is very good.
The WOT calculates reputation of the dotinstall.com. This reputation system receives ratings from users and information from third-party sources, assesses the dotinstall.com for safety features and confirms, whether dotinstall.com is suitable for children.

SSL Information
Domaindotinstall.com
Issuer OrganizationDigiCert Inc
IssuerRapidSSL RSA CA 2018
AlgorithmRSA-SHA256
Valid form02/23/2018
Expiration05/11/2020
SignedCertificate is not self signed
Additional Domains dotinstall.com
www.dotinstall.com
Server Location

ASN Information

ASN ID: 9370
ASN Title: SAKURA-B SAKURA Internet Inc., JP

Last Update: 10/03/2023

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

% Information related to 'AS9216 - AS10239'

as-block: AS9216 - AS10239
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: 2009-05-19T07:00:23Z
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 'AS9349 - AS9380'

as-block: AS9349 - AS9380
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 'AS9370'

aut-num: AS9370
as-name: SAKURA-B
descr: SAKURA Internet Inc.
import: from AS7514 100 accept ANY
import: from AS4694 100 accept ANY
import: from AS9603 100 accept ANY
import: from AS3549 100 accept ANY
import: from AS2497 100 accept ANY
import: from AS9371 100 accept ANY
export: to AS7514 announce AS9370
export: to AS4694 announce AS9370
export: to AS9603 announce AS9370
export: to AS3549 announce AS9370
export: to AS2497 announce AS9370
export: to AS9371 announce AS9370
country: JP
admin-c: KT749JP
tech-c: KT749JP
tech-c: KW419JP
last-modified: 2007-05-23T21:20:05Z
source: JPNIC

% This query was served by the APNIC Whois Service version 1.88.15-46 (WHOIS-US4)

WHOIS

Domain Name: DOTINSTALL.COM
Registry Domain ID: 1674682456_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.discount-domain.com
Registrar URL: http://gmo.jp
Updated Date: 2020-08-01T23:10:54Z
Creation Date: 2011-08-31T09:04:04Z
Registry Expiry Date: 2021-08-31T09:04:04Z
Registrar: GMO Internet, Inc. d/b/a Onamae.com
Registrar IANA ID: 49
Registrar Abuse Contact Email: abuse@gmo.jp
Registrar Abuse Contact Phone: +81.337709199
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: 2021-04-26T17:44:05Z


DNS Records
HostA RecordTTL
dotinstall.com153.120.78.823600
HostMX RecordPriorityTTL
dotinstall.comaspmx.l.google.com103600
dotinstall.comalt1.aspmx.l.google.com203600
dotinstall.comalt2.aspmx.l.google.com203600
dotinstall.comaspmx2.googlemail.com303600
dotinstall.comaspmx3.googlemail.com303600
HostNS RecordTTL
dotinstall.comns1.dns.ne.jp3600
dotinstall.comns2.dns.ne.jp3600
HostTXT RecordTTL
dotinstall.comv=spf1 ip4:153.120.78.82 include:aspmx.googlemail.com include:amazonses.com ~all3600

master.dns.ne.jp
TTL: 3600
Email address: tech.sakura.ad.jp
Serial: 2019072500
Refresh: 3600
Retry: 900
Expire: 3600000
Minimum: 3600


Errors
Warnings

Last tested: 09/03/2016

Desktop
Desktop Speed
63%

Desktop Resource Breakdown
Total Resources110
Number of Hosts17
Static Resources89
JavaScript Resources26
CSS Resources7

Last tested: 12/10/2019

Mobile
Mobile Usability
100%
Mobile Speed
70%

Mobile Resource Breakdown
Total Resources28
Number of Hosts6
Static Resources13
JavaScript Resources9
CSS Resources7
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