WWW.RTSAK.COM - graylab.jhu.edu

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graylab.jhu.edu checked at 2025-10-21T02:00:58.833Z 293ms 79/79/79 100% R:8

`graylab.jhu.edu`

NS	`ens1.jhmi.edu`
		A	2606:2b00:0:401::10 ^{🇺🇸 Johns Hopkins University}
		A	162.129.253.134^{🇺🇸 Johns Hopkins University}
			PTR	`ens1.jhmi.edu`
NS	`ens1.jhu.edu`
		A	2606:2b00:0:405::10 ^{🇺🇸 Johns Hopkins University}
		A	128.220.1.75^{🇺🇸 Johns Hopkins University}
			PTR	`ens1.jhu.edu`
MX	`smtp.johnshopkins.edu`
		A	128.220.38.15^{🇺🇸 Johns Hopkins University}
			PTR	`smtp.johnshopkins.edu`
		A	162.129.199.4^{🇺🇸 Johns Hopkins University}
A	128.220.253.192^{🇺🇸 Johns Hopkins University}
		PTR	`wan253-192.ippl.jhu.edu`

`jhu.edu`

	NS	`ens1.jhmi.edu`
	NS	`ens1.jhu.edu`
	MX	`smtp.johnshopkins.edu`
	A	128.220.193.2^{🇺🇸 Johns Hopkins University}

rank #404 globally
rank #17 in the tld
This domain represents Johns Hopkins University, a private research university located in Baltimore, Maryland. Established in 1876, it is one of the world's leading institutions for research and higher education, offering numerous programs in arts, engineering, medicine, and other fields. The "jhu" in the domain name stands for the initials of the university's name.

Up

ui.graylab.jhu.edu

buildbot.graylab.jhu.edu

rosie.graylab.jhu.edu

rosettaserver.graylab.jhu.edu

Starts with same word

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AI analysis

graylab.jhu.edu is a parent of ui.graylab.jhu.edu, buildbot.graylab.jhu.edu, rosie.graylab.jhu.edu and rosettaserver.graylab.jhu.edu.

graylab.jhu.edu points to a single IP: 128.220.253.192.

Other host names, such as wan253-192.ippl.jhu.edu, share IP numbers with graylab.jhu.edu.

Two name servers ens1.jhmi.edu and ens1.jhu.edu handle delegation for graylab.jhu.edu.

graylab.jhu.edu uses the same name server setup as other domains, for example 198.129.162.in-addr.arpa, isi.jhu.edu, sdss4.org, 32.220.128.in-addr.arpa and jhmdc.org.

Host names with two IP numbers:

ens1.jhmi.edu points to: 2606:2b00:0:401::10 and 162.129.253.134

ens1.jhu.edu points to: 2606:2b00:0:405::10 and 128.220.1.75

graylab.jhu.edu is handled by a single mail server, smtp.johnshopkins.edu.

graylab.jhu.edu has the same mail server setup as other domains, including lists.sis.jhu.edu, neuro.jhmi.edu, cpiac.jhu.edu, lib.jhu.edu and skysrv.pha.jhu.edu.

Host smtp.johnshopkins.edu resolves to two IPs: 128.220.38.15 and 162.129.199.4.

dbq