4.57 Rating by InformationAbout.org

The columbia.edu was registered 3 decades 5 years ago. This site has a alexa rank of #2,045 in the world. It is a domain having .edu extension. It has a Google PageRank of 8/10. This site is estimated worth of $ 6,044,760.00 and have a daily income of around $ 5,597.00. As no active threats were reported recently, columbia.edu is SAFE to browse.

Traffic Report

Daily Unique Visitors: 699,590
Daily Pageviews: 5,596,720

Estimated Valuation

Income Per Day: $ 5,597.00
Estimated Worth: $ 6,044,760.00

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: 27
Alexa BackLinks: Not Applicable

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: 2,045
PageSpeed Score: 69 ON 100
Domain Authority: 94 ON 100
DMOZ Listing: No

Information about Web Server

Hosted IP Address:

Hosted Country:

United States US

Location Latitude:


Location Longitude:


Social Engagement

Facebook Shares: 2,505
Facebook Likes: 4,726
Facebook Comments: 2,357
Twitter Count (Tweets): Not Applicable
Linkedin Shares: Not Applicable
Delicious Shares: Not Applicable
Google+: 613,721

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

Information about HTTP Header

Http-Version: 1.1
Status-Code: 200
Status: 200 OK
Date: Sun, 03 Apr 2016 04:04:06 GMT
Server: Apache
Accept-Ranges: bytes
Vary: Accept-Encoding,User-Agent
Content-Encoding: gzip
Content-Length: 7321
Content-Type: text/html

Information about Domain

Domain Registrar: EDUCASE
Registration Date: 1985-07-05 3 decades 5 years 3 months ago
Last Modified: 2016-02-19 4 years 7 months 3 weeks ago
Owner's E-Mail: noc@columbia.edu

Information about Domain Nameserver

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

Information about DNS Record

Host Type TTL Extra
columbia.edu A 3594 IP:
columbia.edu NS 3599 Target: ns1.lse.ac.uk
columbia.edu NS 3599 Target: dns2.itd.umich.edu
columbia.edu NS 3599 Target: sns-pb.isc.org
columbia.edu NS 3599 Target: adns2.berkeley.edu
columbia.edu NS 3599 Target: ext-ns1.columbia.edu
columbia.edu NS 3599 Target: adns1.berkeley.edu
columbia.edu.worksvietnam.com CNAME 10800 Target: hdredirect-lb-399551664.us-east-1.elb.amazonaws.com
columbia.edu SOA 3600 MNAME: ext-ns1.columbia.edu
RNAME: hostmaster.columbia.edu
Serial: 31671
Refresh: 3600
Retry: 1800
Expire: 2419200
columbia.edu MX 3600 Priority: 10
Target: mail-in.cc.columbia.edu
columbia.edu TXT 3600 TXT:
columbia.edu TXT 3600 TXT: v=spf1 ip4:
ip4: ip4:
ip4: ip4:
ip4: ip4:
columbia.edu TXT 3600 TXT:
columbia.edu TXT 3600 TXT:
columbia.edu TXT 3600 TXT: MS=ms88535648
columbia.edu TXT 3600 TXT: MS=ms32107722
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

Information about 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

The EDUCAUSE Whois database is authoritative for
.EDU domain.

A Web interface for the .EDU EDUCAUSE
Whois Server is
available at:

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
except as reasonably necessary to register or modify
domain names.

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


Domain Name:

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

Administrative Contact:

Columbia University
Computer Operations
Columbia University
615 West 131st
CUIT - 5th Floor
New York, NY 10027
(212) 854-2652


Columbia University Hostmaster
615 West 131st Street
CUIT - 5th Floor
York, NY 10027



Domain record
activated: 05-Jul-1985
Domain record last updated:
Domain expires: 31-Jul-2016

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