WWW.RTSAK.COM - submm.caltech.edu

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submm.caltech.edu checked at 2025-10-24T12:45:16.885Z 177ms 62/62/62 100% R:13

`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

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AI analysis

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

submm.caltech.edu points to IP number: 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.

The mail server setup for submm.caltech.edu matches that of other domains, for instance z.caltech.edu, ovro.caltech.edu, admissions.caltech.edu, irastro.caltech.edu and imss.caltech.edu.

submm.caltech.edu shares 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.

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

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

dbq