DNSWHOIS.INFO - sph.cuny.edu

Search for IP or hostnames:

sph.cuny.edu checked at 2025-10-18T05:19:44.979Z 404ms 96/96/96 100% R:11

`sph.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	66.159.240.148^{🇺🇸 Proofpoint}
			PTR	`mx0a-00011d01.pphosted.com`
MX	`mxb-00011d01.gslb.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	128.228.202.230^{🇺🇸 AS31822}
		PTR	`sph.cuny.edu`

`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.

PTR for

230.202.228.128.in-addr.arpa

Starts with same word

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AI analysis

sph.cuny.edu points to a single IP number: 128.228.202.230.

sph.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.

sph.cuny.edu at least partially shares name servers with other domains, for instance 23.221.162.in-addr.arpa, 120.111.146.in-addr.arpa, med.cuny.edu, 30.61.198.in-addr.arpa and 221.2.209.in-addr.arpa.

These name servers are often used together with the name servers ns28.customer.level3.net, ext-ns2.columbia.edu, ns1.nyp.org, ns2.nyp.org, ns19.customer.level3.net, apollo.cs.columbia.edu, auth1.dns.cogentco.com, auth2.dns.cogentco.com, auth4.dns.cogentco.com and auth5.dns.cogentco.com.

Three IP numbers

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

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

sph.cuny.edu is handled by two mail servers: mxa-00011d01.gslb.pphosted.com and mxb-00011d01.gslb.pphosted.com.

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

Host names with a single IP number:

mxa-00011d01.gslb.pphosted.com points to 66.159.240.148 and mxb-00011d01.gslb.pphosted.com points to 66.159.240.148.

Host names that point to 66.159.240.148: mxa-00011d01.gslb.pphosted.com and mxb-00011d01.gslb.pphosted.com.

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