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Theory.org Summary


Theory.org was created 27 years ago. Receives approximately 6,810 unique visitors per month. Server is located in United States, IP address 71.19.146.201.

Website Info


Creation date 1998-08-18
Expiration date 2029-08-17
Registrar GANDI SAS
Name servers
  1. anuj.ns.cloudflare.com
  2. dahlia.ns.cloudflare.com
IP address 71.19.146.201
Server located United States, Santa Clara
Host name color.theory.org

Alexa Traffic Ranks


Global Rank 2,887,936
Delta (90 Days) -479,322
Most Popular In Country n/a
Country Rank n/a

Whois info


Domain Name: theory.org
Registry Domain ID: D3158890-LROR
Registrar WHOIS Server: whois.gandi.net
Registrar URL: http://www.gandi.net
Updated Date: 2020-03-25T16:46:53Z
Creation Date: 1998-08-18T00:00:00Z
Registrar Registration Expiration Date: 2029-08-17T04:00:00Z
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 http://www.icann.org/epp#clientTransferProhibited
Domain Status: 
Domain Status: 
Domain Status: 
Domain Status: 
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: 
Registrant Street: 63-65 boulevard Massena
Registrant City: Paris
Registrant State/Province: Paris
Registrant Postal Code: 75013
Registrant Country: FR
Registrant Phone: +33.170377666
Registrant Phone Ext: Registrant Fax: +33.143730576
Registrant Fax Ext: Registrant Email: 07028b48e482ad4376aef0ad12bea53d-77365@contact.gandi.net
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: 
Admin Street: 63-65 boulevard Massena
Admin City: Paris
Admin State/Province: Paris
Admin Postal Code: 75013
Admin Country: FR
Admin Phone: +33.170377666
Admin Phone Ext: Admin Fax: +33.143730576
Admin Fax Ext: Admin Email: 07028b48e482ad4376aef0ad12bea53d-77365@contact.gandi.net
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: 
Tech Street: 63-65 boulevard Massena
Tech City: Paris
Tech State/Province: Paris
Tech Postal Code: 75013
Tech Country: FR
Tech Phone: +33.170377666
Tech Phone Ext: Tech Fax: +33.143730576
Tech Fax Ext: Tech Email: 07028b48e482ad4376aef0ad12bea53d-77365@contact.gandi.net
Name Server: ANUJ.NS.CLOUDFLARE.COM
Name Server: DAHLIA.NS.CLOUDFLARE.COM
Name Server: 
Name Server: 
Name Server: 
Name Server: 
Name Server: 
Name Server: 
Name Server: 
Name Server: 
DNSSEC: Unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/

DNS Records


Host Type TTL Data
theory.org A 299 ip: 71.19.146.201
theory.org CAA 300 flags: 0
tag: issuewild
value: digicert.com
theory.org CAA 300 flags: 0
tag: issuewild
value: letsencrypt.org
theory.org CAA 300 flags: 0
tag: iodef
value: mailto:root+oef57nrt@theory.org
theory.org CAA 300 flags: 0
tag: issue
value: comodoca.com
theory.org CAA 300 flags: 0
tag: issue
value: digicert.com
theory.org CAA 300 flags: 0
tag: issue
value: letsencrypt.org
theory.org CAA 300 flags: 0
tag: issuewild
value: comodoca.com
theory.org MX 300 pri: 20
target: in2-smtp.messagingengine.com
theory.org MX 300 pri: 10
target: in1-smtp.messagingengine.com
theory.org NS 86400 target: anuj.ns.cloudflare.com
theory.org NS 86400 target: dahlia.ns.cloudflare.com
theory.org SOA 3600 mname: anuj.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2038707370
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 3600
theory.org TXT 300 txt: v=spf1 include:spf.messagingengine.com -all
theory.org AAAA 300 ipv6: 2605:2700::3:a800:ff:fe77:347

HTTP Headers


Server: nginx
Date: Fri, 20 Nov 2020 22:09:54 GMT
Content-Type: text/html
Last-Modified: Sat, 23 Feb 2013 22:32:58 GMT
Transfer-Encoding: chunked
Connection: keep-alive
ETag: W/"5129439a-1434"
Strict-Transport-Security: max-age=63072000; includeSubDomains; preload
X-Frame-Options: SAMEORIGIN
X-Xss-Protection: 1; mode=block
X-Content-Type-Options: nosniff
Referrer-Policy: strict-origin-when-cross-origin
Content-Security-Policy: upgrade-insecure-requests; default-src https:; script-src https: 'unsafe-inline'; style-src https: 'unsafe-inline'
x-encoded-content-encoding: gzip

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