21-school.ru Школа 21

Школа программирования


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 2.03 sec.
Last Checked: 11/05/2024

21-school.ru traffic volume is 2,658 unique daily visitors and their 5,316 pageviews. The web value rate of 21-school.ru is 3,852 USD. Each visitor makes around 2.14 page views on average.

21-school.ru belongs to "BiZone" LLC. Check the list of other websites hosted by "BiZone" LLC.

21-school.ru registered under .RU top-level domain. Check other websites in .RU zone.

The last verification results, performed on (October 12, 2024) 21-school.ru show that 21-school.ru has a valid and up-to-date wildcard SSL certificate issued by GlobalSign nv-sa expiring on October 25, 2025. Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by GlobalSign nv-sa.

In accordance with Google Safe Browsing and Symantec 21-school.ru is pretty a safe domain.

Relying Google MobileFriendly test 21-school.ru is well optimized for mobile and tablet devices, however web page loading speed may be improved.



Overview
Last Updated: 11/05/2024
Unknown status.
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: 05/24/2024
21-school.ru is safe.
Norton ConnectSafe evaluates 21-school.ru for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 11/05/2024
Not yet checked.
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: 01/12/2019
21-school.ru 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: 07/01/2020
21-school.ru is safe.
McAfee assesses 21-school.ru 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 21-school.ru for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 11/05/2024
21-school.ru child safety is unknown.
The WOT calculates reputation of the 21-school.ru. This reputation system receives ratings from users and information from third-party sources, assesses the 21-school.ru for safety features and confirms, whether 21-school.ru is suitable for children.

SSL Information
Domain*.21-school.ru
Issuer OrganizationGlobalSign nv-sa
IssuerGlobalSign RSA OV SSL CA 2018
AlgorithmRSA-SHA256
Valid form09/23/2024
Expiration10/25/2025
SignedCertificate is not self signed
Additional Domains *.21-school.ru
autodiscover.21-school.ru
mail.21-school.ru
owa.21-school.ru
21-school.ru
Server Location

ASN Information

ASN ID: 207104
ASN Title: "BiZone" LLC

Last Update: 09/18/2024

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf

% Note: this output has been filtered.
% To receive output for a database update, use the "-B" flag.

% Information related to 'AS196608 - AS210331'

as-block: AS196608 - AS210331
descr: RIPE NCC ASN block
remarks: These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by: RIPE-NCC-HM-MNT
created: 2018-12-04T08:56:54Z
last-modified: 2018-12-04T08:56:54Z
source: RIPE

% Information related to 'AS207104'

% Abuse contact for 'AS207104' is 'noc@bi.zone'

aut-num: AS207104
as-name: BIZONE-AS
org: ORG-IZL1-RIPE
descr: UL
import: from AS8331 accept ANY
export: to AS8331 announce AS207104
import: from AS3216 accept ANY
export: to AS3216 announce AS207104
import: from AS31261 accept ANY
export: to AS31261 announce AS207104
import: from AS49063 accept ANY
export: to AS49063 announce AS207104
import: from AS8631 accept ANY
export: to AS8631 announce AS207104
admin-c: AB34796-RIPE
tech-c: AB34796-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: ru-bizone-1-mnt
created: 2016-08-31T12:58:11Z
last-modified: 2018-09-04T11:51:57Z
source: RIPE

organisation: ORG-IZL1-RIPE
org-name: "BiZone" LLC
org-type: LIR
address: 4/2 , Olhovskaya St., office 515
address: 105066
address: Moscow
address: RUSSIAN FEDERATION
admin-c: AB34796-RIPE
tech-c: AB34796-RIPE
abuse-c: AR37242-RIPE
mnt-ref: ru-bizone-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: ru-bizone-1-mnt
created: 2016-08-10T13:38:41Z
last-modified: 2018-06-26T11:32:47Z
source: RIPE # Filtered
phone: +7 (499) 110-25-34

person: Vyacheslav Tsepennikov
address: 4/2 , Olhovskaya st, office 515
address: 105066
address: Moscow
address: RUSSIAN FEDERATION
phone: +7 (499) 110-25-34
nic-hdl: AB34796-RIPE
mnt-by: ru-bizone-1-mnt
created: 2016-08-10T13:38:41Z
last-modified: 2016-08-15T14:19:53Z
source: RIPE

% This query was served by the RIPE Database Query Service version 1.92.6 (ANGUS)

WHOIS

% By submitting a query to TCI's Whois Service
% you agree to abide by the following terms of use:
% https://www.tcinet.ru/documents/whois.pdf (in Russian)

domain: 21-SCHOOL.RU
nserver: dns1.yandex.ru.
nserver: dns2.yandex.ru.
state: REGISTERED, DELEGATED, VERIFIED
org: "Sberbank of Russia" PJSC
registrar: RU-CENTER-RU
admin-contact: https://www.nic.ru/whois
created: 2018-05-16T09:23:16Z
paid-till: 2023-05-16T09:23:16Z
free-date: 2023-06-16
source: TCI

Last updated on 2022-08-10T10:36:31Z


DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL

Errors
Warnings

Last tested: 08/16/2018

Desktop
Desktop Speed
87%

Desktop Resource Breakdown
Total Resources48
Number of Hosts9
Static Resources38
JavaScript Resources13
CSS Resources4

Last tested: 08/16/2018

Mobile
Mobile Usability
99%
Mobile Speed
54%

Mobile Resource Breakdown
Total Resources47
Number of Hosts9
Static Resources37
JavaScript Resources13
CSS Resources4
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