DNSWHOIS.INFO - hep.caltech.edu

Search for IP or hostnames:

hep.caltech.edu checked at 2025-11-17T09:41:14.264Z 415ms 62/62/62 100% R:18 allDone:true timedOut:false

`hep.caltech.edu`

MX	`mx1.caltech.iphmx.com`
		A	68.232.137.147^{🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort}
		A	68.232.147.192^{🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort}
MX	`mx2.caltech.iphmx.com`
		A	68.232.137.147^{🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort}
		A	68.232.147.192^{🇺🇸 HPS // Cisco Cloud Email Security (CES) / IronPort}
A	131.215.116.17^{🇺🇸 CALIT}
		PTR	`cithep.caltech.edu`
		PTR	`hep.caltech.edu`
		PTR	`electron.cithep.caltech.edu`
		PTR	`www.cithep.caltech.edu`
		PTR	`electron.hep.caltech.edu`

`caltech.edu`

	NS	`ns0090.secondary.cloudflare.com`
	NS	`ns0239.secondary.cloudflare.com`
	MX	`mx1.caltech.iphmx.com`
	MX	`mx2.caltech.iphmx.com`
	A	52.26.125.194^{🇺🇸 Amazon}

rank #932 globally
rank #56 in the tld
This domain "caltech.edu" is the official website for the California Institute of Technology. It provides information about the university's academic programs, research work, admissions, faculty, and various other resources for students and staff. The .edu extension indicates that it is an educational institution.

PTR for

17.116.215.131.in-addr.arpa

Up

electron.hep.caltech.edu

tier2.hep.caltech.edu

adm.hep.caltech.edu

mail.hep.caltech.edu

quark.hep.caltech.edu

hadron.hep.caltech.edu

neutrino.hep.caltech.edu

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AI analysis

hep.caltech.edu is a parent of electron.hep.caltech.edu, tier2.hep.caltech.edu, adm.hep.caltech.edu, mail.hep.caltech.edu, quark.hep.caltech.edu and a few other host names.

hep.caltech.edu points to a single IP: 131.215.116.17.

Other host names, for example cithep.caltech.edu, www.cithep.caltech.edu, electron.hep.caltech.edu and electron.cithep.caltech.edu share IP numbers with hep.caltech.edu.

hep.caltech.edu is handled by two mail servers: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.

hep.caltech.edu has the same mail server setup as other domains, including z.caltech.edu, ovro.caltech.edu, admissions.caltech.edu, irastro.caltech.edu and imss.caltech.edu.

hep.caltech.edu shares at least partially some mail servers with other domains, for instance ad.caltech.edu and ipac.caltech.edu.

Host names with two IPs

mx1.caltech.iphmx.com points to: 68.232.137.147 and 68.232.147.192.

mx2.caltech.iphmx.com points to: 68.232.137.147 and 68.232.147.192.

Host names that point to 68.232.137.147: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.

Host names that point to 68.232.147.192: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.

dbq