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columbia.edu was registered 3 decades 1 year ago. It has a alexa rank of #1,863 in the world. It is a domain having .edu extension. This site has a Google PageRank of 8/10. It is estimated worth of $ 4,741,200.00 and have a daily income of around $ 4,390.00. This website is also listed on Dmoz. As no active threats were reported recently, columbia.edu is SAFE to browse.

Visit Website

Traffic Report

Daily Unique Visitors: 548,763
Daily Pageviews: 4,390,104

Estimated Valuation

Income Per Day: $ 4,390.00
Estimated Worth: $ 4,741,200.00

Search Engine Indexes

Google Indexed Pages: Not Applicable
Yahoo Indexed Pages: Not Applicable
Bing Indexed Pages: 29

Search Engine Backlinks

Google Backlinks: Not Applicable
Bing Backlinks: 20
Alexa BackLinks: 54,477

Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: No Risk Issues
WOT Trustworthiness: Excellent
WOT Privacy: Excellent
WOT Child Safety: Excellent

Website Ranks & Scores

Google Pagerank:
Alexa Rank: 1,863
PageSpeed Score: 68 ON 100
Domain Authority: 93 ON 100
DMOZ Listing: Yes

Web Server Information

Hosted IP Address:

128.59.105.24

Hosted Country:

United States US

Location Latitude:

40.7143

Location Longitude:

-74.006

Social Engagement

Facebook Shares: 2,261
Facebook Likes: 3,632
Facebook Comments: 2,038
Twitter Count (Tweets): Not Applicable
Linkedin Shares: Not Applicable
Delicious Shares: Not Applicable
Google+: 479,493

Page Resources Breakdown

Homepage Links Analysis

Columbia University in the City of New York

Website Inpage Analysis

H1 Headings: 1 H2 Headings: 3
H3 Headings: 1 H4 Headings: Not Applicable
H5 Headings: Not Applicable H6 Headings: Not Applicable
Total IFRAMEs: 1 Total Images: 8
Google Adsense: Not Applicable Google Analytics: UA-18290390-1

Backlink History Chart from Majestic SEO

Referring Domains Discovery Chart from Majestic SEO

HTTP Header Analysis

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Date: Thu, 05 Feb 2015 16:33:49 GMT
Server: Apache
Accept-Ranges: bytes
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Content-Length: 7599
Content-Type: text/html

Domain Information

Domain Registrar: EDUCASE
Registration Date: 1985-07-05 3 decades 1 year 4 months ago
Last Modified: 2012-12-13 3 years 11 months 2 weeks ago
Owner's E-Mail: noc@columbia.edu

Domain Nameserver Information

Host IP Address Country
ext-ns1.columbia.edu 128.59.1.1 United States United States
dns2.itd.umich.edu 192.12.80.222 United States United States
adns1.berkeley.edu 128.32.136.3 United States United States
adns2.berkeley.edu 128.32.136.14 United States United States
ns1.lse.ac.uk 158.143.233.4 United Kingdom United Kingdom
sns-pb.isc.org 192.5.4.1 United States United States

DNS Record Analysis

Host Type TTL Extra
columbia.edu A 3591 IP: 128.59.105.24
columbia.edu NS 3599 Target: dns2.itd.umich.edu
columbia.edu NS 3599 Target: ext-ns1.columbia.edu
columbia.edu NS 3599 Target: adns1.berkeley.edu
columbia.edu NS 3599 Target: sns-pb.isc.org
columbia.edu NS 3599 Target: ns1.lse.ac.uk
columbia.edu NS 3599 Target: adns2.berkeley.edu
columbia.edu SOA 3600 MNAME: ext-ns1.columbia.edu
RNAME: hostmaster.columbia.edu
Serial: 20525
Refresh: 3600
Retry: 1800
Expire: 2419200
columbia.edu MX 60 Priority: 10
Target: external-smtp-multi-vif.cc.columbia.edu
columbia.edu MX 60 Priority: 10
Target: mail-in.cc.columbia.edu
columbia.edu TXT 3600 TXT:
gf0JjYj60ydn8vkTvcv20YbqYNECKKGLHJdys+ZF
WKLcBsiO8hOggL3vgM9cniJBCK0+uOh+8UFI9HRk
TNYS9g==
columbia.edu TXT 3600 TXT: v=spf1 ip4:128.59.28.0/24
ip4:128.59.29.0/24 ip4:128.59.59.0/24
ip4:128.59.62.0/24 ip4:128.59.28.160/27
ip4:128.59.29.0/28 ip4:128.59.31.0/24
ip4:128.59.39.0/24 ip4:128.59.72.250
ip4:128.59.72.251 ip4:128.59.84.71
ip4:128.59.84.72 ip4:128.59.213.250 ~all
columbia.edu TXT 3600 TXT: MS=ms32107722
columbia.edu TXT 3600 TXT:
google-site-verification=79W02b1NsvPOhVk
XxG5gXzAXuxuYquPTXmx_l6KfRok
columbia.edu TXT 3600 TXT: MS=ms88535648
columbia.edu NAPTR 3600 Order: 1
Flags: s
Services: SIP+D2U
Replacement: _sip._udp.columbia.edu

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Alexa Traffic Rank

Alexa Search Engine Traffic

Full WHOIS Lookup

This Registry database contains ONLY .EDU domains.
The data in the
EDUCAUSE Whois database is provided
by EDUCAUSE for information
purposes in order to
assist in the process of obtaining
information about
or related to .edu domain registration
records.

The EDUCAUSE Whois database is authoritative for
the
.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.BER
KELEY.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