defcon.org - DEF CON® Hacking Conference

Quick Summary

Online Status

Offline

Server IP address resolved: No
Http response code: None
Last Checked: 05/24/2023

Over the time defcon.org has been ranked as high as 11,466 in the world, while most of its traffic comes from United States, where it reached as high as 58,306 position.

Defcon.org receives about 2,555 unique visitors and 5,621 pageviews per day. The estimated value of defcon.org is 102,200 USD. Each unique visitor makes about 2.2 pageviews on average.

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

At the time of the last check (March 04, 2019) defcon.org has an invalid SSL certificate.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust defcon.org is quite a safe domain.

Mobile-Friendly test indicates that defcon.org is well optimized for mobile and tablet devices.

Defcon.org General Information

Global Rank

120,738

Average Load Time

0.40sec

Links In Count

932

Website Value

$102,200

Audience Geography. Where are defcon.org visitors located?

Country	Rank
United States US	58306
India IN	88857
Germany DE	121473

Country	Percent of Pageviews
United States US	62.8%
India IN	8.6%
Germany DE	4.8%
Other	23.9%

Country	Percent of Visitors
United States US	57.6%
India IN	10.3%
Germany DE	4.9%
Other	27.1%

Where do visitors go on defcon.org?

Subdomain	Pageviews
defcon.org	83.35%
media.defcon.org	15.28%
forum.defcon.org	1.37%

Subdomain	Pageviews per User
media.defcon.org	3
defcon.org	1.5
forum.defcon.org	1

Subdomain	Reach
defcon.org	94.21%
media.defcon.org	10.36%
forum.defcon.org	2.36%

How popular is defcon.org?

Days	Reach Rank	Reach Rank Delta	Reach per Million	Reach per Million Delta
90	117345	17677	56	-16.81%
30	176112	3531	35	0.9%
7	185947	30164	33	-18.36%
1	677396	494177	9	-79.431%

Days	Pageviews Rank	Pageviews Rank Delta	Pageviews per Million	Pageviews per Million Delta	Pageviews per User	Pageviews per User Delta
90	148154	26509	33	-21%	2.2	-5.24%
30	264533	-9152	16	8%	1.7	7%
7	364524	111888	11	-37.89%	1.2	-23.6%
1	991146	599338	2	-79.431%	1	0%

Period	Global Rank	Global Rank Delta
past 3 months	120738	18258
past month	191125	-8
past week	220752	48772
yesterday	847190	623724

Alexa Rank shows how popular defcon.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If defcon.org has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to defcon.org and pageviews on defcon.org over the past 3 months.

Defcon.org Safety Information

Overview

Last Updated: 04/25/2024

Overall result - "defcon.org" 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

defcon.org is safe.

Norton ConnectSafe evaluates defcon.org for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search

Last Updated: 10/27/2016

defcon.org 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

Malware not found at "defcon.org".
"defcon.org" is not a phishing page.
"defcon.org" does not install unwanted software.
"defcon.org" does not contain harmfull applications.
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: 02/23/2021

defcon.org is safe.

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

Web of Trust

Last Updated: 01/10/2019

defcon.org child safety isvery good.

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

SSL Information

SSL Checker Tool

WARNING!	Certificate download error. Previous scan results are shown below.
Domain	www.defcon.org
Issuer	DigiCert SHA2 Extended Validation Server CA
Algorithm	RSA-SHA256
Valid form	05/26/2017
Expiration	05/31/2019
Signed	Certificate is not self signed
Additional Domains	www.defcon.org media.defcon.org forum.defcon.org defcon.org

Defcon.org Server Information

Server Location

Geolocation Tool

Seattle

Washington

United States

ASN Information

ASN Lookup Tool

ASN ID: 7922
ASN Title: COMCAST-7922 - Comcast Cable Communications, LLC, US

Last Update: 10/05/2023

ASN Whois

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 7922
ASName: COMCAST-7922
ASHandle: AS7922
RegDate: 1997-02-14
Updated: 2016-08-31
Ref: https://rdap.arin.net/registry/autnum/7922

Comcast Cable Communications, LLC (CCCS)

OrgTechHandle: IC161-ARIN
OrgTechName: Comcast Cable Communications Inc
OrgTechPhone: +1-856-317-7200
OrgTechEmail: CNIPEO-Ip-registration@cable.comcast.com
OrgTechRef: https://rdap.arin.net/registry/entity/IC161-ARIN

OrgAbuseHandle: NAPO-ARIN
OrgAbuseName: Network Abuse and Policy Observance
OrgAbusePhone: +1-888-565-4329
OrgAbuseEmail: abuse@comcast.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/NAPO-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

Defcon.org Domain Name Information

WHOIS

WHOIS Lookup Tool

Domain Whois

Domain Name: DEFCON.ORG
Registry Domain ID: D1826-LROR
Registrar WHOIS Server: whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2020-12-15T03:56:02Z
Creation Date: 1993-06-21T04:00:00Z
Registry Expiry Date: 2029-06-20T04:00:00Z
Registrar Registration Expiration Date:
Registrar: Gandi SAS
Registrar IANA ID: 81
Registrar Abuse Contact Email: abuse@support.gandi.net
Registrar Abuse Contact Phone: +33.170377661
Reseller:
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registrant Organization:
Registrant State/Province: Paris
Registrant Country: FR
Name Server: DNS-2.DATAMERICA.COM
Name Server: DNS-3.DATAMERICA.COM
Name Server: DNS-1.DATAMERICA.COM
DNSSEC: signedDelegation
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2021-05-04T15:22:23Z

DNS Records

DNS Lookup Tool

Host	A Record	TTL
defcon.org	162.222.171.206	2419200

Host	MX Record	Priority	TTL
defcon.org	mail-1.datamerica.com	10	2419200

Host	NS Record	TTL
defcon.org	dns-1.datamerica.com	2419200
defcon.org	dns-3.datamerica.com	2419200
defcon.org	dns-2.datamerica.com	2419200

Host	TXT Record	TTL
defcon.org	85cf8594a6dc49698f01a47560a1b83e	2419200
defcon.org	google-site-verification=4k_Uhy6OOGq9v57vt2hpwKsAVEv4_FMkNGmDjWFwDKY	2419200
defcon.org	v=spf1 a:colossus.datamerica.com a:mail-1.datamerica.com -all	2419200

dns-1.datamerica.com
TTL: 2419200
Email address: hostmaster.defcon.org
Serial: 2019080163
Refresh: 43200
Retry: 600
Expire: 2419200
Minimum: 86400

Defcon.org HTML Validation

HTML Validation Tool

Errors

Bad value “images/defcon-25/Election Security White Paper_Praetz_12062017.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://www.defcon.org/images/defcon-25/DEF CON 25 voting village report.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “images/defcon-25/DEF CON 25 voting village report.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Named character reference was not terminated by a semicolon. (Or “&” should have been escaped as “&”.)

Bad value “https://media.defcon.org/DEF CON 25/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 presentations/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 workshops/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 x-hour film contest/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Stray end tag “a”.

Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 ctf/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON Torrents/DEF CON 25 ctf.torrent” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 pictures/” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON 25/DEFCON-25-Receipt.pdf” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 presentations.torrent” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

Bad value “https://media.defcon.org/DEF CON 25/DEF CON 25 workshops.torrent” for attribute “href” on element “a”: Illegal character in path segment: space is not allowed.

An “img” element must have an “alt” attribute, except under certain conditions. For details, consult guidance on providing text alternatives for images.

Warnings

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

Defcon.org Desktop Insights

Desktop Page Insights Tool

Last tested: 01/04/2017

Desktop

Desktop Speed

53%

Optimize images

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

Leverage browser caching

Minify HTML

Desktop Resource Breakdown

Total Resources	53
Number of Hosts	1
Static Resources	51
CSS Resources	3

Defcon.org Mobile Insights

Mobile Page Insights Tool

Last tested: 08/21/2017

Mobile

Mobile Usability

99%

Size tap targets appropriately

Mobile Speed

63%

Optimize images

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

Leverage browser caching

Mobile Resource Breakdown

Total Resources	80
Number of Hosts	2
Static Resources	78
CSS Resources	3

Defcon.org Typos

www.defcon.com
www.defcon.net
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www.defcon.info
www.defcon.biz
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www.refcon.org
www.drefcon.org
www.rdefcon.org
www.fefcon.org
www.dfefcon.org
www.fdefcon.org
www.cefcon.org
www.dcefcon.org
www.cdefcon.org
www.dfcon.org
www.dwfcon.org
www.dewfcon.org
www.dwefcon.org
www.dsfcon.org
www.desfcon.org
www.ddfcon.org
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www.ddefcon.org
www.drfcon.org
www.derfcon.org
www.decon.org
www.deccon.org
www.defccon.org
www.decfcon.org
www.dedcon.org
www.defdcon.org
www.dercon.org
www.defrcon.org
www.detcon.org
www.deftcon.org
www.detfcon.org
www.degcon.org
www.defgcon.org
www.degfcon.org
www.devcon.org
www.defvcon.org
www.devfcon.org
www.defon.org
www.defxon.org
www.defcxon.org
www.defxcon.org
www.defdon.org
www.defcdon.org
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www.defvon.org
www.defcvon.org
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www.defcoin.org
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www.defckn.org
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www.defckon.org
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www.defcopn.org
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www.defcobn.org
www.defcoh.org
www.defconh.org
www.defcohn.org
www.defcoj.org
www.defconj.org
www.defcojn.org
www.defcom.org
www.defconm.org
www.defcomn.org

Defcon.org DEF CON® Hacking Conference

Started in 1992 by the Dark Tangent, DEF CON is the world's longest running and largest underground hacking conference. Hackers, corporate IT professi...

Quick Summary

Defcon.org General Information

Defcon.org Alexa Rank History

Defcon.org Safety Information

Defcon.org Server Information

Defcon.org Domain Name Information

Defcon.org HTML Validation

Defcon.org Desktop Insights

Defcon.org Mobile Insights

Defcon.org Nearest Competitors

Defcon.org Typos