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Columbia.edu Summary


Columbia.edu. Receives approximately 37,653,630 unique visitors per month. Server is located in United States, IP address 128.59.105.24.

Website Info


Creation date n/a
Expiration date n/a
Name servers
  1. ns1.lse.ac.uk
  2. auth2.dns.cogentco.com
  3. ext-ns1.columbia.edu
  4. auth4.dns.cogentco.com
  5. dns2.itd.umich.edu
  6. auth1.dns.cogentco.com
  7. auth5.dns.cogentco.com
IP address 128.59.105.24
Server located United States, New York
Host name exeas.org

Alexa Traffic Ranks


Global Rank 2,380
Delta (90 Days) -416
Most Popular In Country United States
Country Rank 707

Whois info


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

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

Domain record activated:    05-Jul-1985
Domain record last updated: 26-Sep-2020
Domain expires:             31-Jul-2021

DNS Records


Host Type TTL Data
columbia.edu A 3598 ip: 128.59.105.24
columbia.edu MX 244 pri: 10
target: mxb-00364e01.gslb.pphosted.com
columbia.edu MX 244 pri: 10
target: mxa-00364e01.gslb.pphosted.com
columbia.edu NS 3600 target: auth5.dns.cogentco.com
columbia.edu NS 3600 target: ext-ns1.columbia.edu
columbia.edu NS 3600 target: dns2.itd.umich.edu
columbia.edu NS 3600 target: auth2.dns.cogentco.com
columbia.edu NS 3600 target: ns1.lse.ac.uk
columbia.edu NS 3600 target: auth1.dns.cogentco.com
columbia.edu NS 3600 target: auth4.dns.cogentco.com
columbia.edu PTR 3600 target: micro30.ee
columbia.edu PTR 3600 target: micro12.ee
columbia.edu PTR 3600 target: micro20.ee
columbia.edu PTR 3600 target: micro08.ee
columbia.edu PTR 3600 target: micro29.ee
columbia.edu PTR 3600 target: micro01.ee
columbia.edu PTR 3600 target: micro23.ee
columbia.edu PTR 3600 target: micro05.ee
columbia.edu PTR 3600 target: micro26.ee
columbia.edu PTR 3600 target: micro011.ee
columbia.edu PTR 3600 target: micro03.ee
columbia.edu PTR 3600 target: micro32.ee
columbia.edu PTR 3600 target: micro06.ee
columbia.edu PTR 3600 target: micro27.ee
columbia.edu PTR 3600 target: micro19.ee
columbia.edu PTR 3600 target: micro35.ee
columbia.edu PTR 3600 target: micro10.ee
columbia.edu PTR 3600 target: micro17.ee
columbia.edu PTR 3600 target: micro25.ee
columbia.edu PTR 3600 target: micro34.ee
columbia.edu PTR 3600 target: micro13.ee
columbia.edu PTR 3600 target: micro33.ee
columbia.edu PTR 3600 target: micro14.ee
columbia.edu PTR 3600 target: micro09.ee
columbia.edu PTR 3600 target: micro24.ee
columbia.edu PTR 3600 target: micro18.ee
columbia.edu PTR 3600 target: micro31.ee
columbia.edu PTR 3600 target: micro28.ee
columbia.edu PTR 3600 target: micro21.ee
columbia.edu PTR 3600 target: micro15.ee
columbia.edu PTR 3600 target: micro02.ee
columbia.edu PTR 3600 target: micro37.ee
columbia.edu PTR 3600 target: micro36.ee
columbia.edu PTR 3600 target: micro04
columbia.edu PTR 3600 target: micro22.ee
columbia.edu PTR 3600 target: micro16.ee
columbia.edu SOA 3600 mname: ext-ns1.columbia.edu
rname: hostmaster.columbia.edu
serial: 64734
refresh: 3600
retry: 1800
expire: 2419200
minimum-ttl: 300
columbia.edu TXT 3600 txt: MS=ms32107722
columbia.edu TXT 3600 txt: docusign=f8b82e15-b287-46b9-9729-a7436d71c422
columbia.edu TXT 3600 txt: google-site-verification=79W02b1NsvPOhVkXxG5gXzAXuxuYquPTXmx_l6KfRok
columbia.edu TXT 3600 txt: google-site-verification=B93x40FIZF4LI-5cayepjvuwU8ZodIQ09zIDG1gHtIc
columbia.edu TXT 3600 txt: adobe-idp-site-verification=c4c82a5f2bf3cc3ee4ad2ee246c28e17ead150faf152556bc9ca5c068762b827
columbia.edu TXT 3600 txt: docusign=abbafadf-a495-4889-935f-5fdac37be903
columbia.edu TXT 3600 txt: v=spf1 ip4:128.59.72.0/24 ip4:207.10.139.0/24 ip4:148.163.139.74 ip4:148.163.135.74 ~all
columbia.edu TXT 3600 txt: MS=ms88535648
columbia.edu NAPTR 3600 order: 1
pref: 0
flags: s
services: SIP+D2U
regex:
replacement: _sip._udp.columbia.edu

HTTP Headers


Date: Tue, 17 Nov 2020 00:27:41 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: Tue, 17 Nov 2020 00:27:41 GMT
ETag: "1605572861"
Content-Type: text/html; charset=UTF-8
Age: 220
X-Varnish-Cache: HIT (155)
X-Cache-Control: max-age=300, public
Cache-Control: no-store,no-cache,private
Accept-Ranges: bytes
Content-Length: 122383
Connection: keep-alive

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