NSLIST.NET - theory.caltech.edu

Search for IP or hostnames:

theory.caltech.edu checked at 2025-09-29T04:08:07.405Z 383ms 59/59/59 100% R:15

`theory.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	131.215.116.2^{🇺🇸 CALIT}
		PTR	`theory.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

2.116.215.131.in-addr.arpa

Up

www.theory.caltech.edu

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AI analysis

theory.caltech.edu is a parent of www.theory.caltech.edu.

theory.caltech.edu points to a single IP address: 131.215.116.2.

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

theory.caltech.edu uses the same mail server setup as other domains, for instance cns.caltech.edu, aero.caltech.edu, hss.caltech.edu, sms.caltech.edu and vigeland.paradise.caltech.edu.

theory.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