WWW.RTSAK.COM - guttman.cuny.edu
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guttman.cuny.edu checked at 2025-10-16T15:41:46.221Z 5918ms 110/110/110 100% R:13guttman.cuny.edu
| NS | ext-ns1.columbia.edu | ||||||
| A | 2001:18d8::35 🇺🇸 Columbia University | ||||||
| PTR | ext-ns1.columbia.edu | ||||||
| A | 2001:18d8:1::1:1 🇺🇸 Columbia University | ||||||
| PTR | ext-ns1.columbia.edu | ||||||
| A | 128.59.1.1🇺🇸 Columbia University | ||||||
| PTR | ext-ns1.columbia.edu | ||||||
| MX | mxa-00011d01.gslb.pphosted.com | ||||||
| A | 66.159.238.121🇺🇸 Proofpoint | ||||||
| PTR | mx0b-00011d01.pphosted.com | ||||||
| A | 66.159.240.148🇺🇸 Proofpoint | ||||||
| PTR | mx0a-00011d01.pphosted.com | ||||||
| MX | mxb-00011d01.gslb.pphosted.com | ||||||
| A | 66.159.238.121🇺🇸 Proofpoint | ||||||
| PTR | mx0b-00011d01.pphosted.com | ||||||
| A | 66.159.240.148🇺🇸 Proofpoint | ||||||
| PTR | mx0a-00011d01.pphosted.com | ||||||
| NS | lavinia.cis.cuny.edu | ||||||
| A | 128.228.5.64🇺🇸 AS31822 | ||||||
| PTR | lavinia.cis.cuny.edu | ||||||
| NS | acme.ucc.cuny.edu | ||||||
| A | 128.228.1.10🇺🇸 AS31822 | ||||||
| PTR | acme.ucc.cuny.edu | ||||||
| NS | ns10.customer.level3.net | ||||||
| A | 209.244.4.149🇺🇸 Lumen AS3356 | ||||||
| PTR | ns10.customer.level3.net | ||||||
| NS | ns15.customer.level3.net | ||||||
| A | 209.244.4.244🇺🇸 Lumen AS3356 | ||||||
| PTR | ns15.customer.level3.net | ||||||
| A | 128.228.41.222🇺🇸 AS31822 | ||||||
| PTR | guttman.cuny.edu | ||||||
| PTR | ncc.cuny.edu | ||||||
| PTR | library.guttman.cuny.edu | ||||||
cuny.edu
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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AI analysis
guttman.cuny.edu is a parent of www.guttman.cuny.edu and library.guttman.cuny.edu.
guttman.cuny.edu resolves to one IP number: 128.228.41.222.
Other host names such as ncc.cuny.edu and library.guttman.cuny.edu share IP numbers 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 at least partially shares name servers with other domains, for instance 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 commonly used with the following name servers: 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 handle guttman.cuny.edu: mxa-00011d01.gslb.pphosted.com and mxb-00011d01.gslb.pphosted.com.
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 two IP numbers:
mxa-00011d01.gslb.pphosted.com points to 66.159.238.121 and 66.159.240.148
mxb-00011d01.gslb.pphosted.com points to 66.159.238.121 and 66.159.240.148
Host names pointing to 66.159.238.121: mxa-00011d01.gslb.pphosted.com and mxb-00011d01.gslb.pphosted.com
Host names pointing to 66.159.240.148: mxa-00011d01.gslb.pphosted.com and mxb-00011d01.gslb.pphosted.com