columbia.edu

Pease note, that we do not promote, link to, or affiliated with columbia.edu in any way. We are just collecting columbia.edu seo statistics and Alexa rank data for historical purposes.

The columbia.edu domain was registered in July of 1985. This website is hosted in United States and is using IP address 128.59.105.24 There are 1 more websites from top million which are using the same IP address. The domain owner of columbia.edu contact email address is noc@columbia.edu. There are 1 more websites which are using this email address. Google PageSpeed Score for this website is 54 out of 100 and should be improved. Fixing this would have a measurable impact on page performance.

Site Title: Columbia University in the City of New York

Ranks
Alexa Rank3,407
PageRank8/10
Domain Authority93/100
Search Engine Indexes
Google Indexed Pages10,900,000
Yahoo Indexed Pages28
Bing Indexed Pages28
Search Engine Backlinks
Google Backlinks2,570
Alexa Backlinks58,011
Safety Information
Google Safe BrowsingSafe
SiteadvisorSafe
WOT TrustworthinessExcellent
WOT Child SafetyExcellent
Domain Information
RegistrarEDUCASE
Registration Date1985-07-05
Last Modified2012-12-13
Registrant Emailnoc@columbia.edu
Traffic Information
Daily Unique Visitors691,807
Daily Pageviews5,534,456
Domain NameServers
adns1.berkeley.edu128.32.136.3
adns2.berkeley.edu128.32.136.14
sns-pb.isc.org192.5.4.1
dns2.itd.umich.edu192.12.80.222
ext-ns1.columbia.edu128.59.1.1
ns1.lse.ac.uk158.143.96.8
Web Server Information
IP Address128.59.105.24
Server LocationUnited States
PageSpeed Score54/100

Alexa Rank History Chart

During selected period of time the highest position in Alexa top was 2577 and the lowest position was 4728. The current position of columbia.edu in Alexa top is 3407.


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Alexa Rank History
DateRankDelta
July 7th3,4071,321
July 6th4,728-867
July 5th3,861-1,197
July 4th2,664541
July 3rd3,205-130
July 2nd3,075-498
July 1st2,577464
June 30th3,041N/A
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Whois
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The data in the EDUCAUSE Whois database is provided
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assist in the process of obtaining information about
or related to .edu domain registration records.

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.EDU domain.

A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.net

By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.

You may use "%" as a wildcard in your search. For further
information regarding the use of this WHOIS server, please
type: help

--------------------------

Domain Name: COLUMBIA.EDU

Registrant:
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
UNITED STATES

Administrative Contact:

Columbia University Computer Operations
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
UNITED STATES
(212) 854-2652
noc@columbia.edu

Technical Contact:

Columbia University Hostmaster
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
UNITED STATES
(212) 854-1919
hostmaster@columbia.edu

Name Servers:
EXT-NS1.COLUMBIA.EDU 128.59.1.1
DNS2.ITD.UMICH.EDU
ADNS1.BERKELEY.EDU
ADNS2.BERKELEY.EDU
NS1.LSE.AC.UK
SNS-PB.ISC.ORG

Domain record activated: 05-Jul-1985
Domain record last updated: 13-Dec-2012
Domain expires: 31-Jul-2015
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