DNSWHOIS.INFO - astro.caltech.edu

Search for IP or hostnames:

astro.caltech.edu checked at 2025-10-07T00:49:16.348Z 452ms 62/62/62 100% R:14

`astro.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	131.215.198.54^{🇺🇸 CALIT}
		PTR	`agn.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.

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AI analysis

astro.caltech.edu is the parent of www.astro.caltech.edu.

astro.caltech.edu resolves to one IP number: 131.215.198.54.

Other host names such as agn.caltech.edu and friendsofpalomarobservatory.org share IP numbers with astro.caltech.edu.

Two mail servers handle astro.caltech.edu: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.

astro.caltech.edu shares the same mail server setup as other domains, for instance submm.caltech.edu, dna.caltech.edu, eas.caltech.edu, klab.caltech.edu and bologna.vision.caltech.edu.

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