IPLIST.NET - phobos.caltech.edu

Search for IP or hostnames:

phobos.caltech.edu checked at 2025-10-07T16:07:16.761Z 704ms 59/59/59 100% R:10

`phobos.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

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AI analysis

phobos.caltech.edu points to a single IP: 131.215.193.100.

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

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

phobos.caltech.edu has the same mail server setup as other domains, including cns.caltech.edu, aero.caltech.edu, hss.caltech.edu, sms.caltech.edu and vigeland.paradise.caltech.edu.

phobos.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