WWW.RTSAK.COM - lehman.cuny.edu

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lehman.cuny.edu checked at 2025-09-29T17:39:44.304Z 2754ms 97/97/97 100% R:15

`lehman.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-0003d201.gslb.pphosted.com`
		A	66.159.238.139^{🇺🇸 Proofpoint}
			PTR	`mx0b-0003d201.pphosted.com`
MX	`mxb-0003d201.gslb.pphosted.com`
		A	66.159.238.139^{🇺🇸 Proofpoint}
			PTR	`mx0b-0003d201.pphosted.com`
NS	`lavinia.cis.cuny.edu`
		A	128.228.5.64^{🇺🇸 AS31822}
			PTR	`lavinia.cis.cuny.edu`
NS	`ns1.lehman.cuny.edu`
		A	148.84.31.6^{🇺🇸 AS31822}
			PTR	`ns1.lehman.cuny.edu`
NS	`ns2.lehman.cuny.edu`
		A	148.84.30.6^{🇺🇸 AS31822}
			PTR	`ns2.lehman.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`

`cuny.edu`

	NS	`ext-ns1.columbia.edu`
	MX	`mxa-00011d01.gslb.pphosted.com`
	MX	`mxb-00011d01.gslb.pphosted.com`
	NS	`lavinia.cis.cuny.edu`
	NS	`acme.ucc.cuny.edu`
	NS	`ns10.customer.level3.net`
	NS	`ns15.customer.level3.net`
	A	128.228.254.200^{🇺🇸 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.

Up

lib2.lehman.cuny.edu

itr21.lehman.cuny.edu

itr52.lehman.cuny.edu

ns1.lehman.cuny.edu

ca148.lehman.cuny.edu

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AI analysis

lehman.cuny.edu is the parent of lib2.lehman.cuny.edu, itr21.lehman.cuny.edu, itr52.lehman.cuny.edu, ns1.lehman.cuny.edu, ca148.lehman.cuny.edu and a few other host names.

lehman.cuny.edu delegates to six name servers: ext-ns1.columbia.edu, lavinia.cis.cuny.edu, ns1.lehman.cuny.edu, ns2.lehman.cuny.edu, acme.ucc.cuny.edu and ns10.customer.level3.net.

lehman.cuny.edu at least partially shares name servers with other domains, for instance iccr.columbia.edu, 19.59.128.in-addr.arpa, ps.columbia.edu, uapc.cuny.edu and guest.barnard.edu.

these name servers are commonly used with ns15.customer.level3.net, ext-ns2.columbia.edu, ns1.nyp.org, ns2.nyp.org, apollo.cs.columbia.edu, sundog.ee.columbia.edu, diana.cs.columbia.edu, ns19.customer.level3.net, 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.

ns1.lehman.cuny.edu points to: 148.84.31.6.

ns2.lehman.cuny.edu points to: 148.84.30.6.

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

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

lehman.cuny.edu is handled by two mail servers: mxa-0003d201.gslb.pphosted.com and mxb-0003d201.gslb.pphosted.com.

The mail server setup for lehman.cuny.edu is the same as for other domains, such as lc.cuny.edu.

Host names with a single IP

mxa-0003d201.gslb.pphosted.com points to 66.159.238.139

mxb-0003d201.gslb.pphosted.com points to 66.159.238.139

Host names that point to 66.159.238.139: mxa-0003d201.gslb.pphosted.com and mxb-0003d201.gslb.pphosted.com

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