DNSWHOIS.INFO - submm.caltech.edu

Search for IP or hostnames:

submm.caltech.edu checked at 2025-11-08T22:46:31.646Z 176ms 62/62/62 100% R:15

`submm.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	131.215.193.100^{🇺🇸 CALIT}
		PTR	`irastro.caltech.edu`
		PTR	`phobos.caltech.edu`
		PTR	`submm.caltech.edu`
		PTR	`clock.submm.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

100.193.215.131.in-addr.arpa

Up

clock.submm.caltech.edu

Starts with same word

submm.net

submm.com

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AI analysis

submm.caltech.edu is a parent of clock.submm.caltech.edu.

submm.caltech.edu points to a single IP address: 131.215.193.100.

Other host names such as phobos.caltech.edu, clock.submm.caltech.edu and irastro.caltech.edu share IP numbers with submm.caltech.edu.

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

submm.caltech.edu uses the same mail server setup as other domains, for instance z.caltech.edu, ovro.caltech.edu, admissions.caltech.edu, irastro.caltech.edu and imss.caltech.edu.

submm.caltech.edu shares some mail servers with other domains, for instance ad.caltech.edu and ipac.caltech.edu.

Host names with two IP numbers:

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.

Names pointing to 68.232.137.147: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.

Names pointing to 68.232.147.192: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.

dbq