WWW.RTSAK.COM - chb-external1.tch.harvard.edu

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chb-external1.tch.harvard.edu checked at 2025-10-19T18:23:55.605Z 4242ms 19/19/19 100% R:13

`chb-external1.tch.harvard.edu`

	A	134.174.21.190^{🇺🇸 Longwood Medical and Academic Area}
			PTR	`chb-external1.tch.harvard.edu`

190.21.174.134.in-addr.arpa

chb-external1.tch.harvard.edu resolves to a single IP: 134.174.21.190.

dbq

	MX	`mailsmtp1.childrenshospital.org`
	MX	`mailsmtp2.childrenshospital.org`
	MX	`mailsmtp3.childrenshospital.org`
	MX	`mailsmtp4.childrenshospital.org`
	MX	`mailsmtp5.childrenshospital.org`
	MX	`mailsmtp6.childrenshospital.org`
	MX	`mailsmtp7.childrenshospital.org`
	NS	`ns1.childrenshospital.org`
	NS	`ns2.childrenshospital.org`
	NS	`ns5.childrenshospital.org`