columbia.edu

Overview

columbia.edu was registered 38 years 10 months ago. It has a global Alexa ranking #2,721 and ranked 849th in United States. It is a domain having edu extension. columbia.edu receives about 678,901 unique visitors and 5,431,208 page views per day which should earn about $ 5,431.00/day from advertising revenue.Estimated site value is $ 5,865,480.00. According to SiteAdvisor, columbia.edu is safe to visit.Its web server is located in United States, with IP address 128.59.105.24.

General Info
Title: Columbia University in the City of New York
Alexa Rank: #2,721
Daily Revenue: $ 5,431.00
Daily visitors: 678,901
Daily Pageviews: 5,431,208
Google Analytics: UA-18290390-1
Created: 1985-07-05
Updated: 2019-11-22
Registrar: EDUCASE
IP Address: 128.59.105.24
Host Location: New York, New York, United States, 10025
DNS: auth1.dns.cogentco.com auth5.dns.cogentco.com ns1.lse.ac.uk ext-ns1.columbia.edu dns2.itd.umich.edu auth2.dns.cogentco.com auth4.dns.cogentco.com
Stats & Details
Global Rank 2,721
Delta 214
Reach Rank2801
CountryUnited States
Rank in Country849
DNS Records
Host Type TTL Extra
columbia.edu A 3599 IP: 128.59.105.24
columbia.edu NS 1001 Target: dns2.itd.umich.edu
columbia.edu NS 1001 Target: ext-ns1.columbia.edu
columbia.edu NS 1001 Target: ns1.lse.ac.uk
columbia.edu NS 1001 Target: auth4.dns.cogentco.com
columbia.edu NS 1001 Target: auth2.dns.cogentco.com
columbia.edu NS 1001 Target: auth1.dns.cogentco.com
columbia.edu NS 1001 Target: auth5.dns.cogentco.com
columbia.edu SOA 3600 MNAME: ext-ns1.columbia.edu
RNAME: hostmaster.columbia.edu
Serial: 62856
Refresh: 3600
Retry: 1800
Expire: 2419200
columbia.edu PTR 3600 Target: micro28.ee
columbia.edu PTR 3600 Target: micro23.ee
columbia.edu PTR 3600 Target: micro16.ee
columbia.edu PTR 3600 Target: micro25.ee
columbia.edu PTR 3600 Target: micro24.ee
columbia.edu PTR 3600 Target: micro19.ee
columbia.edu PTR 3600 Target: micro33.ee
columbia.edu PTR 3600 Target: micro02.ee
columbia.edu PTR 3600 Target: micro36.ee
columbia.edu PTR 3600 Target: micro04
columbia.edu PTR 3600 Target: micro08.ee
columbia.edu PTR 3600 Target: micro15.ee
columbia.edu PTR 3600 Target: micro32.ee
columbia.edu PTR 3600 Target: micro29.ee
columbia.edu PTR 3600 Target: micro06.ee
columbia.edu PTR 3600 Target: micro17.ee
columbia.edu PTR 3600 Target: micro05.ee
columbia.edu PTR 3600 Target: micro09.ee
columbia.edu PTR 3600 Target: micro37.ee
columbia.edu PTR 3600 Target: micro21.ee
columbia.edu PTR 3600 Target: micro20.ee
columbia.edu PTR 3600 Target: micro22.ee
columbia.edu PTR 3600 Target: micro01.ee
columbia.edu PTR 3600 Target: micro14.ee
columbia.edu PTR 3600 Target: micro30.ee
columbia.edu PTR 3600 Target: micro35.ee
columbia.edu PTR 3600 Target: micro011.ee
columbia.edu PTR 3600 Target: micro18.ee
columbia.edu PTR 3600 Target: micro13.ee
columbia.edu PTR 3600 Target: micro27.ee
columbia.edu PTR 3600 Target: micro34.ee
columbia.edu PTR 3600 Target: micro31.ee
columbia.edu PTR 3600 Target: micro03.ee
columbia.edu PTR 3600 Target: micro12.ee
columbia.edu PTR 3600 Target: micro26.ee
columbia.edu PTR 3600 Target: micro10.ee
columbia.edu MX 1001 Priority: 10
Target: mxa-00364e01.gslb.pphosted.com
columbia.edu MX 1001 Priority: 10
Target: mxb-00364e01.gslb.pphosted.com
columbia.edu TXT 3600 TXT: v=spf1 ip4:128.59.72.0/24
ip4:207.10.139.0/24 ip4:128.59.213.250
ip4:192.5.43.19 ip4:148.163.139.74
ip4:148.163.135.74 ~all
columbia.edu TXT 3600 TXT: adobe-idp-site-verification=c4c82a5f2bf3
cc3ee4ad2ee246c28e17ead150faf152556bc9ca
5c068762b827
columbia.edu TXT 3600 TXT: docusign=f8b82e15-b287-46b9-9729-a7436d7
1c422
columbia.edu TXT 3600 TXT: MS=ms88535648
columbia.edu TXT 3600 TXT: MS=ms32107722
columbia.edu TXT 3600 TXT: google-site-verification=79W02b1NsvPOhVk
XxG5gXzAXuxuYquPTXmx_l6KfRok
columbia.edu TXT 3600 TXT: docusign=abbafadf-a495-4889-935f-5fdac37
be903
columbia.edu TXT 3600 TXT: google-site-verification=B93x40FIZF4LI-5
cayepjvuwU8ZodIQ09zIDG1gHtIc
columbia.edu NAPTR 3600 Order: 1
Flags: s
Services: SIP+D2U
Replacement: _sip._udp.columbia.edu
HTTP Header Analysis
HTTP/1.1 200 OK
Date: Fri, 07 Aug 2020 02:16:28 GMT
Server: Apache
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: Fri, 07 Aug 2020 02:16:28 GMT
ETag: "1596766588"
Content-Type: text/html; charset=UTF-8
Age: 204
X-Varnish-Cache: HIT (123)
X-Cache-Control: max-age=300, public
Cache-Control: no-store,no-cache,private
Accept-Ranges: bytes
Content-Length: 123199
Connection: close
Full Whois
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.edu

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.

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

Domain Name:
COLUMBIA.EDU

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

Administrative Contact:
Domain
Admin
Columbia University
615 West 131st Street
CUIT - 5th
Floor
New York, NY
10027
US
+1.2128541919
noc@columbia.edu

Technical
Contact:

Columbia University
615 West 131st
Street
CUIT - 5th Floor
New York, NY
10027
US
+1.2128541919
hostmaster@columbia.edu

Na
me
Servers:
AUTH1.DNS.COGENTCO.COM
AUTH5.DNS.COGENTCO.COM
NS1
.LSE.AC.UK
EXT-NS1.COLUMBIA.EDU
DNS2.ITD.UMICH.EDU
AUTH2.D
NS.COGENTCO.COM
AUTH4.DNS.COGENTCO.COM

Domain record
activated: 05-Jul-1985
Domain record last updated:
22-Nov-2019
Domain expires: 31-Jul-2021
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