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linux1.irg.columbia.edu checked at 2025-09-23T16:29:04.446Z 462ms 27/27/27 100% R:8

`linux1.irg.columbia.edu`

	A	160.39.40.138^{🇺🇸 Columbia University}
			PTR	`linux1.irg.columbia.edu`

138.40.39.160.in-addr.arpa

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linux1.irg.columbia.edu points to an IP address: 160.39.40.138.

Other host names, for instance rcsmail.org, share IP numbers with linux1.irg.columbia.edu.

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