Sdf.org SDF Public Access UNIX System - Free Shell Account and Shell Access

Sdf.org Quick Summary

Status

Online

Server IP address resolved: Yes

Http response code: 200

Response time: 0.26 sec.

Last Checked: 08/17/2025

Sdf.org traffic estimate is about 634 unique visitors and 1,585 pageviews per day. The approximated value of sdf.org is 21,900 USD. Every unique visitor makes about 2.5 pageviews on average.

Alexa Traffic Rank estimates that sdf.org is ranked number 16,668 in the world, while most of its traffic comes from United States, where it occupies as high as 182,392 place.

It’s good for sdf.org that their hosting company HOPONE-GLOBAL - HopOne Internet Corporation, US is located in United States, as that provides the majority of their visitors to benefit from the faster page load time. See the list of other websites hosted by HOPONE-GLOBAL - HopOne Internet Corporation, US.

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

During the last check (June 08, 2025) sdf.org has an expired SSL certificate issued by Let's Encrypt (expired on July 25, 2025), 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 sdf.org is pretty a safe domain.

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

Sdf.org General Information

Sdf.org Audience Geography

Where are website visitors coming from?

Country	Visitors
United States US	34.8%
Netherlands NL	24.8%
Other	40.7%

Country	Rank
Netherlands NL	18786
United States US	182392

Sdf.org Traffic Distribution

Where do visitors go on sdf.org?

Subdomain	Pageviews
sdf.org	33.36%
mx.sdf.org	31.72%
bac.sdf.org	4.75%
other	30.08%

Subdomain	Views per User
mx.sdf.org	2.9
sdf.org	1.3
bac.sdf.org	1

Subdomain	Reach
sdf.org	60.71%
mx.sdf.org	26.13%
bac.sdf.org	11.4%

Sdf.org Popularity

How popular is sdf.org?

Period	Global Rank	Global Rank Delta
past 3 months	424210	128847
past month	383402	-32587
past week	378391	-342851
yesterday	787210	456380

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	471238	166331	7	-42.57%	2.5	-14.24%
30	438739	-9146	8	2%	2.4	-10.45%
7	500866	-369884	7	100%	1.8	2%
1	574584	58369	6	-16.23%	4	200%

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	431919	120082	11	-32.93%
30	388240	-46595	12	10%
7	358940	-344008	15	100%
1	930220	642863	6	-73.545%

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

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Sdf.org Safety Information

Rankchart Summary

Safe

Updated: 08/17/2025

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: 03/28/2025

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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: 11/28/2016

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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: 02/27/2021

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

Web of Trust

Child safety is very good

Updated: 01/10/2019

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

Sdf.org SSL Information

Information about SSL/TLS certificates

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Domain	sdf.org
Issuer Organization	Let's Encrypt
Issuer	E6
Algorithm	ecdsa-with-SHA384
Valid form	04/26/2025
Expiration	07/25/2025
Signed	Certificate is not self signed
Additional Domains	sdf.org

SSL Checker

Sdf.org Server Information

Sdf.org Server Location

Where website hosting server is located?

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Sdf.org ASN Information

Information about IP address owner

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ASN ID: 14361

ASN Title: HOPONE-GLOBAL - HopOne Internet Corporation, US

Updated: 04/22/2025

Raw ASN data:

Geolocation

ASN Lookup

Sdf.org Domain Name Information

Sdf.org DNS Information

Domain name service records

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Host	A Record	TTL
sdf.org	205.166.94.16	43200

Host	MX Record	Priority	TTL
sdf.org	mx.sdf.org	50	43200

Host	NS Record	TTL
sdf.org	ns-d.sdf.org	43200
sdf.org	ns-b.sdf.org	43200
sdf.org	ns-a.sdf.org	43200
sdf.org	ns-c.sdf.org	43200

Sdf.org Whois Information

Information about registered users or assignees of an Internet resource

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Raw WHOIS data:

Domain Name: sdf.org
Registry Domain ID: b5d93558b33b455b87a5fc9b1c193231-LROR
Registrar WHOIS Server: whois.namecheap.com
Registrar URL: http://www.namecheap.com
Updated Date: 2024-09-16T08:02:38Z
Creation Date: 1996-10-12T04:00:00Z
Registry Expiry Date: 2025-10-11T04:00:00Z
Registrar: NameCheap, Inc.
Registrar IANA ID: 1068
Registrar Abuse Contact Email: abuse@namecheap.com
Registrar Abuse Contact Phone: +1.6613102107
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Privacy service provided by Withheld for Privacy ehf
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: Capital Region
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: IS
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: ns-a.sdf.org
Name Server: ns-b.sdf.org
Name Server: ns-c.sdf.org
Name Server: ns-d.sdf.org
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-21T09:37:47Z

Whois

DNS Lookup

Sdf.org HTML Validation

Sdf.org W3C HTML Markup Validation

HTML markup errors and warnings

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Errors:

Start tag seen without seeing a doctype first. Expected “<!DOCTYPE html>”.

The “center” element is obsolete. Use CSS instead.

Attribute “type” not allowed on element “form” at this point.

Attribute “cellspacing” not allowed on element “td” at this point.

Attribute “cellpadding” not allowed on element “td” at this point.

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

The “valign” attribute on the “td” element is obsolete. Use CSS instead.

Element “li” not allowed as child of element “center” in this context. (Suppressing further errors from this subtree.)

End tag “li” seen, but there were open elements.

Unclosed element “form”.

Stray end tag “cont”.

HTML Validator

Sdf.org Desktop Performance

How Well Sdf.org Performs On Desktops?

Website desktop performance and usability tips

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Speed

99%

Leverage browser caching

Enable compression

Updated: 05/24/2017

Sdf.org Mobile Performance

How Optimized Is Sdf.org for Mobile Devices?

Tips on speeding up mobile site performance

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Usability

61%

Use legible font sizes

Size tap targets appropriately

Configure the viewport

Updated: 05/24/2017

Sdf.org Nearest Competitors

Estimated Nearest Competitors Of Sdf.org

dimensions.ai
embassies.gov.il
netfilter.org
vinmec.com
colehaan.com
junebugweddings.com
manhattan.institute
onbeing.org
rti.org
upmc.fr
sdf.org
yourquote.in
news-herald.com
maps.org
weatherbug.com
johanniter.de
only.com
eventbrite.nl
blogaritma.com
citizensbank.com
nam.org
rcog.org.uk

Sdf.org URL Typos

Most common user URL mistypes for sdf.org

www.sdf.com
www.sdf.net
www.sdf.org
www.sdf.info
www.sdf.biz
www.sdf.us
www.sdf.mobi
www.df.org
www.sdf.org
www.wdf.org
www.swdf.org
www.wsdf.org
www.edf.org
www.sedf.org
www.esdf.org
www.ddf.org
www.sddf.org
www.dsdf.org
www.zdf.org
www.szdf.org
www.zsdf.org
www.xdf.org
www.sxdf.org
www.xsdf.org
www.adf.org
www.sadf.org
www.asdf.org
www.sf.org
www.sxf.org
www.sdxf.org
www.ssf.org
www.sdsf.org
www.ssdf.org
www.sef.org
www.sdef.org
www.srf.org
www.sdrf.org
www.srdf.org
www.sff.org
www.sdff.org
www.sfdf.org
www.scf.org
www.sdcf.org
www.scdf.org
www.sd.org
www.sdc.org
www.sdfc.org
www.sdd.org
www.sdfd.org
www.sdr.org
www.sdfr.org
www.sdt.org
www.sdft.org
www.sdtf.org
www.sdg.org
www.sdfg.org
www.sdgf.org
www.sdv.org
www.sdfv.org
www.sdvf.org

Images	878.0 Bytes
HTML	3.8 KBytes

Images	878.0 Bytes
HTML	3.8 KBytes

Total Resources	2
Number of Hosts	1
Static Resources	1

Total Resources	2
Number of Hosts	1
Static Resources	1