WWW.RTSAK.COM - doorbell.cs.columbia.edu

Search for IP or hostnames:

doorbell.cs.columbia.edu checked at 2025-10-08T14:34:20.191Z 268ms 25/25/25 100% R:6

`doorbell.cs.columbia.edu`

	A	128.59.20.10^{🇺🇸 Columbia University}
			PTR	`doorbell.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

10.20.59.128.in-addr.arpa

Starts with same word

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Starts similarily

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AI analysis

doorbell.cs.columbia.edu resolves to one IP number: 128.59.20.10.

Other host names, for instance hurakan.cs.columbia.edu, share IP numbers with doorbell.cs.columbia.edu.

dbq