CF1760586625713-tsm20251015201252

DNSWHOIS.INFO - guttman.cuny.edu

Search for IP or hostnames:

guttman.cuny.edu checked at 2025-10-16T03:50:25.697Z 290ms 102/102/102 100% R:12

guttman.cuny.edu

NSext-ns1.columbia.edu
A2001:18d8::35 ๐Ÿ‡บ๐Ÿ‡ธ Columbia University
PTRext-ns1.columbia.edu
A2001:18d8:1::1:1 ๐Ÿ‡บ๐Ÿ‡ธ Columbia University
PTRext-ns1.columbia.edu
A128.59.1.1๐Ÿ‡บ๐Ÿ‡ธ Columbia University
PTRext-ns1.columbia.edu
MXmxa-00011d01.gslb.pphosted.com
A66.159.240.148๐Ÿ‡บ๐Ÿ‡ธ Proofpoint
PTRmx0a-00011d01.pphosted.com
MXmxb-00011d01.gslb.pphosted.com
A66.159.238.121๐Ÿ‡บ๐Ÿ‡ธ Proofpoint
PTRmx0b-00011d01.pphosted.com
NSlavinia.cis.cuny.edu
A128.228.5.64๐Ÿ‡บ๐Ÿ‡ธ AS31822
PTRlavinia.cis.cuny.edu
NSacme.ucc.cuny.edu
A128.228.1.10๐Ÿ‡บ๐Ÿ‡ธ AS31822
PTRacme.ucc.cuny.edu
NSns10.customer.level3.net
A209.244.4.149๐Ÿ‡บ๐Ÿ‡ธ Lumen AS3356
PTRns10.customer.level3.net
NSns15.customer.level3.net
A209.244.4.244๐Ÿ‡บ๐Ÿ‡ธ Lumen AS3356
PTRns15.customer.level3.net
A128.228.41.222๐Ÿ‡บ๐Ÿ‡ธ AS31822
PTRguttman.cuny.edu
PTRncc.cuny.edu
PTRlibrary.guttman.cuny.edu

cuny.edu

NSext-ns1.columbia.edu
MXmxa-00011d01.gslb.pphosted.com
MXmxb-00011d01.gslb.pphosted.com
NSlavinia.cis.cuny.edu
NSacme.ucc.cuny.edu
NSns10.customer.level3.net
NSns15.customer.level3.net
A128.228.254.200๐Ÿ‡บ๐Ÿ‡ธ AS31822
rank #1029 globally
rank #61 in the tld
This domain name represents the City University of New York (CUNY), a public university system in New York City. It is one of the largest urban universities in the United States, comprising 25 institutions, including 11 senior colleges, seven community colleges, and various professional schools. The "cuny.edu" domain is primarily used for the university's official websites, email addresses, and various online services provided for students, faculty, and staff.

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Starts with same word

Starts similarily

AI analysis

guttman.cuny.edu is a parent of www.guttman.cuny.edu and library.guttman.cuny.edu.

guttman.cuny.edu points to IP number 128.228.41.222.

Other host names, for example ncc.cuny.edu and library.guttman.cuny.edu, share IPs with guttman.cuny.edu.

guttman.cuny.edu is delegated to five name servers: ext-ns1.columbia.edu, lavinia.cis.cuny.edu, acme.ucc.cuny.edu, ns10.customer.level3.net and ns15.customer.level3.net.

guttman.cuny.edu shares name servers with other domains at least partially, for example ldeo.columbia.edu, dhcp.hunter.cuny.edu, 100.145.156.in-addr.arpa, 110.145.156.in-addr.arpa and 237.81.206.in-addr.arpa.

these name servers are often used with the following: ns28.customer.level3.net, ext-ns2.columbia.edu, ns1.nyp.org, ns2.nyp.org, ns19.customer.level3.net, apollo.cs.columbia.edu, diana.cs.columbia.edu, sundog.ee.columbia.edu, auth1.dns.cogentco.com and auth2.dns.cogentco.com.

Host names with three IP numbers:

ext-ns1.columbia.edu points to: 2001:18d8::35, 2001:18d8:1::1:1 and 128.59.1.1.

Host names with one IP number:

lavinia.cis.cuny.edu points to: 128.228.5.64.

acme.ucc.cuny.edu points to: 128.228.1.10.

ns10.customer.level3.net points to: 209.244.4.149.

ns15.customer.level3.net points to: 209.244.4.244.

Two mail servers mxa-00011d01.gslb.pphosted.com and mxb-00011d01.gslb.pphosted.com handle guttman.cuny.edu.

guttman.cuny.edu shares the same mail server setup as other domains, for instance islg.cuny.edu, mail.cuny.edu, cunyba.cuny.edu, sps.cuny.edu and slu.cuny.edu.

Host names with one IP number:

mxa-00011d01.gslb.pphosted.com points to: 66.159.240.148.

mxb-00011d01.gslb.pphosted.com points to: 66.159.238.121.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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