CF1758663536630-tsm20250923213410

WWW.ROBTEX.COM - library.caltech.edu

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library.caltech.edu checked at 2025-09-23T21:38:56.558Z 900ms 148/148/148 100% R:9

library.caltech.edu

MXaspmx.l.google.com
A2607:f8b0:4023:c06::1a🇺🇸 Google
PTRdz-in-f26.1e100.net
A142.250.141.26🇺🇸 Google
PTRdd-in-f26.1e100.net
MXalt1.aspmx.l.google.com
A2607:f8b0:4023:100f::1a🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
A192.178.220.26🇺🇸 Google
PTRyudfwra-in-f26.1e100.net
MXalt2.aspmx.l.google.com
A2607:f8b0:4003:c30::1b🇺🇸 Google
PTRyutulis-in-f27.1e100.net
A74.125.27.27🇺🇸 Google
PTRyutulis-in-f27.1e100.net
MXalt3.aspmx.l.google.com
A2a00:1450:400c:c00::1a🇧🇪 Google
PTRws-in-f26.1e100.net
PTRws-in-x1a.1e100.net
A173.194.76.27🇺🇸 Google
PTRws-in-f27.1e100.net
MXalt4.aspmx.l.google.com
A2a00:1450:4025:402::1b🇳🇱 Google
PTRrb-in-f27.1e100.net
A142.250.102.26🇺🇸 Google
PTRrb-in-f26.1e100.net
A34.194.39.199🇺🇸 Amazon
PTRec2-34-194-39-199.compute-1.amazonaws.com

caltech.edu

NSns0090.secondary.cloudflare.com
NSns0239.secondary.cloudflare.com
MXmx1.caltech.iphmx.com
MXmx2.caltech.iphmx.com
A52.26.125.194🇺🇸 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

library.caltech.edu is the parent of clsproxy.library.caltech.edu, calteches.library.caltech.edu, etd.library.caltech.edu, eprints.library.caltech.edu, cls-1.library.caltech.edu and a few other host names.

library.caltech.edu points to IP number 34.194.39.199.

For instance, other host names lib.westfield.ma.edu, mail.greenburghlibrary.org, paschoollibraryproject.org, mel.lib.mi.us and library.noaa.gov share IP numbers with library.caltech.edu.

Five mail servers handle library.caltech.edu: aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com, alt3.aspmx.l.google.com and alt4.aspmx.l.google.com.

library.caltech.edu shares mail servers with other domains at least partially; for instance vlimit.co.uk, dunham.in, theprivatehairclinic.com, qblue.com.au and tinovic.com.

these mail servers are commonly used alongside aspmx2.googlemail.com and aspmx3.googlemail.com.

Host names with two IP numbers:

aspmx.l.google.com points to 2607:f8b0:4023:c06::1a and 142.250.141.26

alt1.aspmx.l.google.com points to 2607:f8b0:4023:100f::1a and 192.178.220.26

alt2.aspmx.l.google.com points to 2607:f8b0:4003:c30::1b and 74.125.27.27

alt3.aspmx.l.google.com points to 2a00:1450:400c:c00::1a and 173.194.76.27

alt4.aspmx.l.google.com points to 2a00:1450:4025:402::1b and 142.250.102.26

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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