Yutsumura.com Problems in Mathematics

Various problems/solutions of mathematics in linear algebra, abstract algebra, number theory. The level of difficulty varies from very easy to very ha...


Yutsumura.com Overview

Yutsumura.com ranking shows that the page is at position 100,827 over the world, while the bulk of its audience is from United States, where it ranks 89,727.

In terms of rank-to-traffic ratio, yutsumura.com has 4,861 unique users per day, viewing 7,364 pages. The rank based value of yutsumura.com is 134,028 USD. Every user makes 1.62 pageviews on average.

Yutsumura.com boasts a link base consisting of 232 referring domains and 264 external backlinks, as revealed by the data obtained from web network scanning.

Yutsumura.com top-level domain belongs to .COM domain zone. Check other webpages in .COM zone.

According the last verification test in October 12, 2024, yutsumura.com has an expired SSL certificate issued by Let's Encrypt (expired on October 28, 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 and Symantec yutsumura.com is a fairly safe domain.

According the Mobile-Friendly test by Google yutsumura.com is nice optimized for mobile devices and tablets, however the webpage speed could be improved.


Yutsumura.com Rank Summary

Global Rank
100,827
Average Load Time
3.93sec
Links In Count
46
Website Value
$124,100

Yutsumura.com Website Safety

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Overview
Last Updated: 11/25/2024
Overall result - yutsumura.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 logo
Norton Connect Safe
Last Updated: 03/31/2024
yutsumura.com is safe.
Norton ConnectSafe evaluates yutsumura.com for any unsafe and insecure content. The results are critical for families with young children.
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Google Safe Search
Last Updated: 07/21/2017
yutsumura.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.
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Google Safe Browsing
Last Updated: 01/09/2019
yutsumura.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.
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Site Advisor
Last Updated: 03/09/2021
yutsumura.com is safe.
McAfee assesses yutsumura.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 yutsumura.com for mature or inappropriate content, only security checks are evaluated.
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Web of Trust
Last Updated: 11/25/2024
yutsumura.com child safety is unknown.
The WOT calculates reputation of the yutsumura.com. This reputation system receives ratings from users and information from third-party sources, assesses the yutsumura.com for safety features and confirms, whether yutsumura.com is suitable for children.

SSL Information
Domainyutsumura.com
Issuer OrganizationLet's Encrypt
IssuerR11
AlgorithmRSA-SHA256
Valid form07/30/2024
Expiration10/28/2024
SignedCertificate is not self signed
Additional Domains www.yutsumura.com
yutsumura.com

Yutsumura.com Rank History

Yutsumura.com Hosting Information

Server Location

ASN Information

ASN ID: 7506

ASN Title: INTERQ GMO Internet,Inc, JP

Last Update: 03/18/2024

% [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 'AS7500 - AS7531'

as-block: AS7500 - AS7531
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,
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remarks: e.g. 'whois -h whois.nic.ad.jp xxx/e'.
mnt-by: APNIC-HM
mnt-lower: MAINT-JPNIC
last-modified: 2017-06-12T03:54:29Z
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 'AS7506'

aut-num: AS7506
as-name: INTERQ
descr: GMO Internet,Inc
import: from AS18068 100 accept ANY
import: from AS10026 100 accept ANY
import: from AS2914 100 accept ANY
import: from AS3356 100 accept ANY
import: from AS22205 100 accept ANY
import: from AS6461 100 accept ANY
import: from AS55907 100 accept ANY
import: from AS58649 100 accept ANY
import: from AS37907 100 accept ANY
export: to AS18068 announce AS7506
export: to AS10026 announce AS7506
export: to AS2914 announce AS7506
export: to AS3356 announce AS7506
export: to AS22205 announce AS7506
export: to AS6461 announce AS7506
export: to AS55907 announce ANY
export: to AS58649 announce ANY
export: to AS37907 announce ANY
country: JP
admin-c: JP00016074
tech-c: JP00016074
last-modified: 2012-11-21T02:27:40Z
source: JPNIC

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

Yutsumura.com Domain Registration and Settings

WHOIS

Domain Name: YUTSUMURA.COM
Registry Domain ID: 2044220026_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.discount-domain.com
Registrar URL: http://gmo.jp
Updated Date: 2023-06-18T23:11:02Z
Creation Date: 2016-07-19T03:30:00Z
Registry Expiry Date: 2024-07-19T03:30:00Z
Registrar: GMO Internet Group, 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: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DNS01.MUUMUU-DOMAIN.COM
Name Server: DNS02.MUUMUU-DOMAIN.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2023-10-04T17:07:56Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Yutsumura.com HTML Check


Errors
Warnings

Yutsumura.com Desktop Performance

Last tested: 05/01/2018

Speedometer image
Desktop Speed
79%

Desktop Resource Breakdown
Total Resources94
Number of Hosts17
Static Resources75
JavaScript Resources31
CSS Resources21

Yutsumura.com Mobile Insights

Last tested: 04/07/2017

Speedometer image
Mobile Usability
95%
Speedometer image
Mobile Speed
47%

Mobile Resource Breakdown
Total Resources121
Number of Hosts24
Static Resources58
JavaScript Resources48
CSS Resources18

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