NSLIST.NET - phobos.caltech.edu
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phobos.caltech.edu checked at 2025-09-29T20:29:45.575Z 179ms 59/59/59 100% R:15phobos.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 #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
phobos.caltech.edu resolves to a single IP: 131.215.193.100.
Other host names including clock.submm.caltech.edu, submm.caltech.edu and irastro.caltech.edu share IP numbers with phobos.caltech.edu.
phobos.caltech.edu is served by two mail servers: mx1.caltech.iphmx.com and mx2.caltech.iphmx.com.
phobos.caltech.edu shares the mail server setup with other domains, for example cns.caltech.edu, aero.caltech.edu, hss.caltech.edu, sms.caltech.edu and vigeland.paradise.caltech.edu.
phobos.caltech.edu shares some mail servers with other domains at least partially, for instance ad.caltech.edu and ipac.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.