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382.8 M

Domains known to webXtrend

9.2 M

New domains in the last 30 days

63.4 M

Social media profiles detected

caltech.edu

caltech.edu serves a website of its own over HTTPS and under www. It answers on IPv4 only, with a TLS certificate that does not validate and MX records for mail.

9 other domains share an IP address with it, and 132 domains redirect to it.

The most recent crawl returned the page title “Home - www.caltech.edu” and 351,992 bytes of HTML. The site links to Instagram, Facebook, X and YouTube profiles.

Domain properties

Property Value Explanation
Top-level domain .edu Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record yes The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes The domain redirects to https.
Redirect to www. yes The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address only IPv4 Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate invalid Shows whether the domain has a valid SSL certificate.
Redirects 132 Number of domains that redirect to this domain.
Reverse IP 9 Number of domains with the same IP(s).

Similar websites

No similar websites found yet.

Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out.

Last SSL certificate

No certificate data available for this domain.

Last successful crawl

Title Home - www.caltech.edu
Description The California Institute of Technology aims to expand human knowledge and benefit society through research integrated with education.
Content-Length 351,992 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
52.26.125.194 12/9/2023
Mail server Priority Last updated
mx1.caltech.iphmx.com 10 12/30/2023
mx2.caltech.iphmx.com 10 12/30/2023
Name server Last updated
ns0090.secondary.cloudflare.com 12/9/2023
ns0239.secondary.cloudflare.com 12/9/2023

Most recent redirect domains

Domain Last seen
roninastronomer.com 10/10/2026
shera-mission.com 10/10/2026
cosmicdarkages.org 10/10/2026
evanmiyazono.com 10/9/2026
childrenscenteratcaltech.org 10/9/2026
ismagilovlab.org 10/9/2026
anqizhang.org 10/9/2026
brianlau.com 10/9/2026
demolishthatdick.org 10/9/2026
ssel.me 10/9/2026
calte.ch 10/8/2026
dburov.me 10/8/2026
and 120 more

Reverse IP neighbours

52.26.125.194 9 domains · here since 9/13/2026
Domain On this IP since
votingtechnologyproject.org 9/19/2026
tedxcaltech.org 9/17/2026
tedxcaltech.net 9/21/2026
tedxcaltech.com 9/22/2026
ecstem.org 9/23/2026
caltech.org 9/18/2026
caltech.net 9/21/2026
caltech.info 9/12/2026

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses.