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Search for IP or hostnames:

legacy2019.csail.mit.edu checked at 2025-11-22T06:38:35.598Z 2064ms 31/31/31 100% R:5 allDone:true timedOut:false

`legacy2019.csail.mit.edu`

	A	128.30.2.128^{🇺🇸 Massachusetts Institute of Technology}
			PTR	`legacy2019.csail.mit.edu`

	NS	`auth-ns0.csail.mit.edu`
	NS	`auth-ns1.csail.mit.edu`
	NS	`auth-ns2.csail.mit.edu`
	NS	`auth-ns3.csail.mit.edu`
	MX	`incoming.csail.mit.edu`
	A	128.52.132.19^{🇺🇸 Massachusetts Institute of Technology}

128.2.30.128.in-addr.arpa

legacy2019.csail.mit.edu points to a single IP number: 128.30.2.128.

Other host names such as theory.csail.mit.edu and theory.lcs.mit.edu share IP numbers with legacy2019.csail.mit.edu.

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