Down21.org Síndrome de Down Fundación Down21 - Síndrome de Down

Fundación Down21 Dedica sus servicios a facilitar de forma libre y gratuita, conocimientos al ciudadano con síndrome de Down

Down21.org Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 2.05 sec.

Last Checked: 08/23/2025

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Down21.org traffic estimate is about 802 unique visitors and 1,684 pageviews per day. The approximated value of down21.org is 21,900 USD. Every unique visitor makes about 2.1 pageviews on average.

Alexa Traffic Rank estimates that down21.org is ranked number 27,388 in the world.

Down21.org is registered under .ORG top-level domain. Check other websites in .ORG zone.

During the last check (October 05, 2024) down21.org has an expired SSL certificate issued by Let's Encrypt (expired on November 28, 2024), please click the “Refresh” button for SSL Information at the Safety Information section. Check other websites using SSL certificates issued by Let's Encrypt.

In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust down21.org is pretty a safe domain.

Relying on Google Mobile-Friendly test down21.org is well optimized for mobile and tablet devices.

Down21.org General Information

Down21.org Audience Geography

Where are website visitors coming from?

Country	Visitors

Down21.org Traffic Distribution

Where do visitors go on down21.org?

Subdomain	Pageviews
down21.org	100%

Subdomain	Views per User
down21.org	1

Down21.org Popularity

How popular is down21.org?

Period	Global Rank	Global Rank Delta
past 3 months	402475	72701
past month	544730	212081
past week	325543	-612344

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	491779	140147	7	-37.38%	2.1	-24.91%
30	838070	534243	3	-78.651%	1	-73.753%
7	509856	-675328	6	300%	1	0%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	391915	47579	12	-16.41%
30	431095	54442	1	-18.7%
7	249763	-576663	2	300%

Press rescan to collect fresh statistics for this website...

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Down21.org Safety Information

Rankchart Summary

Safe

Updated: 08/23/2025

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

Safe

Updated: 02/12/2025

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Norton ConnectSafe evaluates websites for any unsafe and inapropriate content. The results are important for families with young children.

Google Safe Search

Safe

Updated: 03/16/2019

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SafeSearch works as a parental control tool to filter out any content that might be inappropriate for your children.

Google Safe Browsing

Safe

Malware not found

Phishing not detected

Unwanted software not found

Harmfull applications not found

Updated: 01/09/2019

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Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.

McAfee® WebAdvisor

Safe

Updated: 02/15/2021

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McAfee assesses down21.org 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 down21.org for mature or inappropriate content, only security checks are evaluated.

Web of Trust

Child safety is good

Updated: 01/12/2019

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The WOT calculates reputation of the down21.org. This reputation system receives ratings from users and information from third-party sources, assesses the down21.org for safety features and confirms, whether down21.org is suitable for children.

Down21.org SSL Information

Information about SSL/TLS certificates

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Domain	down21.org
Issuer Organization	Let's Encrypt
Issuer	R11
Algorithm	RSA-SHA256
Valid form	08/30/2024
Expiration	11/28/2024
Signed	Certificate is not self signed
Additional Domains	down21.org www.down21.org

SSL Checker

Down21.org Server Information

Down21.org Server Location

Where website hosting server is located?

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Down21.org ASN Information

Information about IP address owner

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ASN ID: 34762

ASN Title: Combell NV

Updated: 07/09/2025

Raw ASN data:

% 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 'AS33792 - AS35839'

as-block: AS33792 - AS35839
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: 2015-09-30T14:19:22Z
last-modified: 2015-09-30T14:19:22Z
source: RIPE

% Information related to 'AS34762'

% Abuse contact for 'AS34762' is 'abuse@combell.com'

aut-num: AS34762
as-name: COMBELL-AS
org: ORG-CN93-RIPE
remarks: ---------------------------------------------------------------------+
remarks: Transit
remarks: ---------------------------------------------------------------------+
import: from AS3257 accept ANY
export: to AS3257 announce AS-COMBELL
import: from AS6774 accept ANY
export: to AS6774 announce AS-COMBELL
import: from AS174 accept ANY
export: to AS174 announce AS-COMBELL
import: from AS8455 accept ANY
export: to AS8455 announce AS-COMBELL
remarks: ---------------------------------------------------------------------+
admin-c: CT1447-RIPE
tech-c: CT1447-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-routes: COMBELL-MNT
mnt-by: COMBELL-MNT
created: 2005-03-31T08:18:46Z
last-modified: 2017-10-17T07:36:55Z
source: RIPE # Filtered

organisation: ORG-CN93-RIPE
org-name: Combell NV
org-type: LIR
address: Skaldenstraat 121
address: 9042
address: Gent
address: BELGIUM
phone: +3292187979
admin-c: SC18514-RIPE
admin-c: FP12084-RIPE
tech-c: SC18514-RIPE
tech-c: FP12084-RIPE
abuse-c: AR37159-RIPE
mnt-ref: COMBELL-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: COMBELL-MNT
created: 2016-08-03T07:10:46Z
last-modified: 2016-08-09T14:32:55Z
source: RIPE # Filtered

role: COMBELL TECH
address: Skaldenstraat 121
address: B-9042 Gent
address: Belgium
mnt-by: COMBELL-MNT
admin-c: FP2477-RIPE
tech-c: FP2477-RIPE
tech-c: SC2267-RIPE
tech-c: LSZM1-RIPE
tech-c: PVDP8-RIPE
tech-c: MS29554-RIPE
nic-hdl: CT1447-RIPE
created: 2005-10-11T11:23:30Z
last-modified: 2012-11-08T14:01:33Z
source: RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.91.2 (HEREFORD)

Geolocation

ASN Lookup

Down21.org Domain Name Information

Down21.org DNS Information

Domain name service records

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A

Host	A Record	TTL

Down21.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Domain Name: down21.org
Registry Domain ID: e5b71750ca9a4bb3a3bc0f86754629d1-LROR
Registrar WHOIS Server: http://whois.nicline.com
Registrar URL: http://nicline.com/whois/whois.htm
Updated Date: 2024-07-08T12:21:04Z
Creation Date: 2000-05-24T12:20:09Z
Registry Expiry Date: 2025-05-24T12:20:09Z
Registrar: Arsys Internet, S.L. dba NICLINE.COM
Registrar IANA ID: 379
Registrar Abuse Contact Email: domainnames@arsys.es
Registrar Abuse Contact Phone: +34.941620100
Domain Status: ok https://icann.org/epp#ok
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: NULL
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: MADRID
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: ES
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: dns11.servidoresdns.net
Name Server: dns12.servidoresdns.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-11-11T02:16:33Z

Whois

DNS Lookup

Down21.org HTML Validation

Down21.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Bad value for attribute “href” on element “link”: Illegal character in query: space is not allowed.

The “width” attribute on the “table” element is obsolete. Use CSS instead.

Warnings:

The “type” attribute is unnecessary for JavaScript resources.

The “main” role is unnecessary for element “main”.

Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.

HTML Validator

Down21.org Desktop Performance

How Well Down21.org Performs On Desktops?

Website desktop performance and usability tips

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Speed

82%

Eliminate render-blocking JavaScript and CSS in above-the-fold content

Avoid landing page redirects

Prioritize visible content

Optimize images

Leverage browser caching

Minify JavaScript

Minify CSS

Minify HTML

Updated: 01/05/2019

Down21.org Mobile Performance

How Optimized Is Down21.org for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

99%

Size tap targets appropriately

Updated: 01/05/2019

Down21.org Nearest Competitors

Estimated Nearest Competitors Of Down21.org

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btp.travel
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voicedub.ai

Down21.org URL Typos

Most common user URL mistypes for down21.org

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www.down21.net
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www.down1.org
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Total Resources	71
Number of Hosts	7
Static Resources	59
JavaScript Resources	24
CSS Resources	12

CSS	352.9 KBytes
Images	432.1 KBytes
HTML	86.7 KBytes
JavaScript	611.5 KBytes
Other	96.2 KBytes

Total Resources	71
Number of Hosts	7
Static Resources	59
JavaScript Resources	24
CSS Resources	12

CSS	353.9 KBytes
Images	432.1 KBytes
HTML	86.8 KBytes
JavaScript	600.7 KBytes
Other	85.0 KBytes