CF1760325943222-tsm20251012143351

WWW.ROBTEX.COM - www.guttman.cuny.edu

Search for IP or hostnames:

www.guttman.cuny.edu checked at 2025-10-13T03:25:43.185Z 307ms 150/150/150 100% R:12

www.guttman.cuny.edu

CNAMEguttman.cuny.edu
NSext-ns1.columbia.edu
A2001:18d8::35🇺🇸 Columbia University
PTRext-ns1.columbia.edu
A2001:18d8:1::1:1🇺🇸 Columbia University
PTRext-ns1.columbia.edu
A128.59.1.1🇺🇸 Columbia University
PTRext-ns1.columbia.edu
MXmxa-00011d01.gslb.pphosted.com
A66.159.240.148🇺🇸 Proofpoint
PTRmx0a-00011d01.pphosted.com
MXmxb-00011d01.gslb.pphosted.com
A66.159.238.121🇺🇸 Proofpoint
PTRmx0b-00011d01.pphosted.com
NSlavinia.cis.cuny.edu
A128.228.5.64🇺🇸 AS31822
PTRlavinia.cis.cuny.edu
NSacme.ucc.cuny.edu
A128.228.1.10🇺🇸 AS31822
PTRacme.ucc.cuny.edu
NSns10.customer.level3.net
A209.244.4.149🇺🇸 Lumen AS3356
PTRns10.customer.level3.net
NSns15.customer.level3.net
A209.244.4.244🇺🇸 Lumen AS3356
PTRns15.customer.level3.net
A128.228.41.222🇺🇸 AS31822
PTRguttman.cuny.edu
PTRncc.cuny.edu
PTRlibrary.guttman.cuny.edu

guttman.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
A128.228.41.222🇺🇸 AS31822

Starts with same word

Starts similarily

AI analysis

www.guttman.cuny.edu points to IP number 128.228.41.222.

Other host names for example ncc.cuny.edu, library.guttman.cuny.edu and guttman.cuny.edu share IP numbers with www.guttman.cuny.edu.

www.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.

www.guttman.cuny.edu shares name servers with other domains at least partially, for example fmri.columbia.edu, 125.83.198.in-addr.arpa, brooklyn.cuny.edu, braingenethics.cumc.columbia.edu and trucktracker.info.

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 www.guttman.cuny.edu.

www.guttman.cuny.edu shares the same mail server setup as other domains, for instance mail.cuny.edu, cunyba.cuny.edu, guttman.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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