Web
Analytics
Linkfeed Website Tagline
3.20 Rating

columbia.edu is known since 3 decades 4 years by domain registration. The name of this website is having a .edu extension. As no active threats were reported recently, columbia.edu is safe to browse.

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Search Engine Indexes

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

Search Engine Backlinks

Google Backlinks: Not Applicable
Bing Backlinks: Not Applicable
Alexa BackLinks: Not Applicable

Safety Information

Google Safe Browsing: No Risk Issues
Siteadvisor Rating: Not Applicable
WOT Trustworthiness: Excellent
WOT Privacy: Excellent
WOT Child Safety: Excellent

Website Ranks & Scores

Google Pagerank: Not Applicable
Alexa Rank: 1,701
PageSpeed Score: 44 ON 100
Domain Authority: 92 ON 100
DMOZ Listing: No

Web Server Information

Hosted IP Address:

128.59.105.24

Hosted Country:

United States US

Location Latitude:

40.827

Location Longitude:

-73.9757

Page Resources Breakdown

Homepage Links Analysis

Columbia University in the City of New York

Website Inpage Analysis

H1 Headings: 1 H2 Headings: 20
H3 Headings: 1 H4 Headings: Not Applicable
H5 Headings: Not Applicable H6 Headings: Not Applicable
Total IFRAMEs: Not Applicable Total Images: 27
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: Mon, 07 May 2018 16:37:44 GMT
Server: Apache
Cache-Control: max-age=300, public
Content-language: en
X-XSS-Protection: 1; mode=block
X-Frame-Options: SAMEORIGIN
X-Content-Type-Options: nosniff
Expires: Sun, 19 Nov 1978 05:00:00 GMT
Last-Modified: Mon, 07 May 2018 16:37:44 GMT
ETag: "1525711064"
Content-Type: text/html; charset=UTF-8
Age: 117
X-Varnish-Cache: HIT
Content-Length: 109181
Connection: close
Accept-Ranges: bytes

Domain Information

Domain Registrar: EDUCASE
Registration Date: 1985-07-05 3 decades 4 years 3 months ago
Last Modified: 2017-08-15 2 years 1 month 4 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
ns1.lse.ac.uk 158.143.96.8 United Kingdom United Kingdom
sdns1.berkeley.edu 128.32.136.251 United States United States
sns-pb.isc.org 192.5.4.1 United States United States

DNS Record Analysis

Host Type TTL Extra
columbia.edu A 707 IP: 128.59.105.24
columbia.edu NS 570 Target: ns1.lse.ac.uk
columbia.edu NS 570 Target: dns2.itd.umich.edu
columbia.edu NS 570 Target: ext-ns1.columbia.edu
columbia.edu NS 570 Target: sns-pb.isc.org
columbia.edu NS 570 Target: sdns1.berkeley.edu
columbia.edu SOA 3600 MNAME: ext-ns1.columbia.edu
RNAME: hostmaster.columbia.edu
Serial: 47618
Refresh: 3600
Retry: 1800
Expire: 2419200
columbia.edu MX 3408 Priority: 10
Target: mail-in.cc.l.columbia.edu
columbia.edu TXT 3600 TXT:
google-site-verification=79W02b1NsvPOhVk
XxG5gXzAXuxuYquPTXmx_l6KfRok
columbia.edu TXT 3600 TXT: v=spf1 ip4:128.59.72.0/24
ip4:128.59.58.0/24 ip4:207.10.136.0/24
ip4:128.59.213.250 ip4:192.5.43.19
ip4:128.59.84.71 ip4:128.59.84.72
ip4:128.59.176.35 ip4:128.59.176.141
~all
columbia.edu TXT 3600 TXT:
docusign=f8b82e15-b287-46b9-9729-a7436d7
1c422
columbia.edu TXT 3600 TXT: bailok5ghjpsmt71o39ddm6j1
columbia.edu TXT 3600 TXT: MS=ms88535648
columbia.edu TXT 3600 TXT:
docusign=abbafadf-a495-4889-935f-5fdac37
be903
columbia.edu TXT 3600 TXT:
pardot_48172_*=8f2f3e94d4e16f1870fe3b6ef
7ba5bde95d6cd2d40804965ce2377a61c329382
columbia.edu TXT 3600 TXT: MS=ms32107722
columbia.edu NAPTR 3600 Order: 1
Flags: s
Services: SIP+D2U
Replacement: _sip._udp.columbia.edu

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

Domain Name:
COLUMBIA.EDU

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

Administrative Contact:

Columbia University
Information Technology
Columbia University
615 West 131st
Street
CUIT - 5th Floor
New York, NY 10027
UNITED
STATES
(212) 854-1919
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
NS1.LSE.AC.UK
SDNS1.BERKELEY
.EDU
SNS-PB.ISC.ORG

Domain record activated:
05-Jul-1985
Domain record last updated: 15-Aug-2017
Domain
expires: 31-Jul-2018