NSLIST.NET - os1.cs.columbia.edu

Search for IP or hostnames:

os1.cs.columbia.edu checked at 2025-10-14T15:49:07.898Z 90ms 22/22/22 100% R:7

`os1.cs.columbia.edu`

	A	128.59.23.225^{🇺🇸 Columbia University}
			PTR	`os1.cs.columbia.edu`

`cs.columbia.edu`

	NS	`ext-ns1.columbia.edu`
	NS	`ext-ns2.columbia.edu`
	MX	`mxa-00364e01.gslb.pphosted.com`
	MX	`mxb-00364e01.gslb.pphosted.com`
	NS	`apollo.cs.columbia.edu`
	NS	`diana.cs.columbia.edu`
	NS	`sundog.ee.columbia.edu`
	A	128.59.11.206^{🇺🇸 Columbia University}

PTR for

225.23.59.128.in-addr.arpa

Starts with same word

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1os.org

AI analysis

os1.cs.columbia.edu points to a single IP address: 128.59.23.225.

dbq