IPLIST.NET - 9.21.59.128.in-addr.arpa

Search for IP or hostnames:

9.21.59.128.in-addr.arpa checked at 2025-10-12T01:39:03.743Z 3055ms 16/16/16 100% R:10

`9.21.59.128.in-addr.arpa`

PTR	`mantessanb.cs.columbia.edu`
		A	128.59.21.9^{🇺🇸 Columbia University}
			PTR	`mantessanb.cs.columbia.edu`

`21.59.128.in-addr.arpa`

	NS	`ext-ns1.columbia.edu`
	NS	`ext-ns2.columbia.edu`
	NS	`apollo.cs.columbia.edu`
	NS	`diana.cs.columbia.edu`
	NS	`sundog.ee.columbia.edu`

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