WWW.RTSAK.COM - irastro.caltech.edu

Search for IP or hostnames:

irastro.caltech.edu checked at 2025-11-02T03:47:19.128Z 126ms 62/62/62 100% R:11

`irastro.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

irastro.caltech.edu resolves to a single IP: 131.215.193.100.

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

irastro.caltech.edu is served by two mail servers: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.

irastro.caltech.edu shares the mail server setup with other domains, for example hss.caltech.edu, sms.caltech.edu, vigeland.paradise.caltech.edu, paradise.caltech.edu and phobos.caltech.edu.

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

these mail servers are commonly used alongside the mail servers outlook.caltech.edu.

Host names with two IP numbers: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com point 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.

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