Caltech.edu Home | Caltech

Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.18 sec.
Last Checked: 01/20/2023

Over the time caltech.edu has been ranked as high as 2,317 in the world, while most of its traffic comes from United States, where it reached as high as 3,229 position.

Caltech.edu receives about 30,279 unique visitors and 83,267 pageviews per day. The estimated value of caltech.edu is 1,090,620 USD. Each unique visitor makes about 2.75 pageviews on average.

Caltech.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.

At the time of the last check (November 28, 2019) caltech.edu has an expired SSL certificate issued by Internet2 (expired on April 15, 2020). Check other websites using SSL certificates issued by Internet2.

According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust caltech.edu is quite a safe domain.

Mobile-Friendly test indicates that caltech.edu is well optimized for mobile and tablet devices, however website page loading time could be improved.


Global Rank
8,163
Average Load Time
1.11sec
Links In Count
22,263
Website Value
$1.1 M

Overview
Last Updated: 02/05/2023
Overall result - "caltech.edu" is SAFE.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton Connect Safe
Last Updated: 03/19/2022
caltech.edu is safe.

Norton ConnectSafe evaluates caltech.edu for any unsafe and insecure content. The results are critical for families with young children.

Google Safe Search
Last Updated: 10/11/2016
caltech.edu is safe.

SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.

Google Safe Browsing
Last Updated: 01/09/2019
Malware not found at "caltech.edu".
"caltech.edu" is not a phishing page.
"caltech.edu" does not install unwanted software.
"caltech.edu" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
Site Advisor
Last Updated: 02/22/2021
caltech.edu is safe.

McAfee assesses caltech.edu for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze caltech.edu for mature or inappropriate content, only security checks are evaluated.

Web of Trust
Last Updated: 01/09/2019
caltech.edu child safety isvery good.

The WOT calculates reputation of the caltech.edu. This reputation system receives ratings from users and information from third-party sources, assesses the caltech.edu for safety features and confirms, whether caltech.edu is suitable for children.

SSL Information
Domain web.caltech.edu
Issuer OrganizationInternet2
Issuer InCommon RSA Server CA
Algorithm RSA-SHA256
Valid form 04/16/2018
Expiration 04/15/2020
SignedCertificate is not self signed
Additional Domains web.caltech.edu
caltech.edu
odb.acs.caltech.edu
www.cco.caltech.edu
www.its.caltech.edu
www.web.caltech.edu
Server Location

Not Found

ASN Information

ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., US

Last Update: 01/10/2023

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

ASNumber: 16509
ASName: AMAZON-02
ASHandle: AS16509
RegDate: 2000-05-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/16509

OrgName: Amazon.com, Inc.
OrgId: AMAZON-4
Address: 1918 8th Ave
City: SEATTLE
StateProv: WA
PostalCode: 98101-1244
Country: US
RegDate: 1995-01-23
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/AMAZON-4

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName: Amazon EC2 Abuse
OrgAbusePhone: +1-206-266-4064
OrgAbuseEmail: abuse@amazonaws.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName: Amazon EC2 Network Operations
OrgTechPhone: +1-206-266-4064
OrgTechEmail: amzn-noc-contact@amazon.com
OrgTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN

RTechHandle: AC6-ORG-ARIN
RTechName: Amazon-com Incorporated
RTechPhone: +1-206-266-2187
RTechEmail: ipmanagement@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/AC6-ORG-ARIN

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/whois_tou.html
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/whois_reporting/index.html
#
# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#

WHOIS

This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.

The EDUCAUSE Whois database is authoritative for the
.EDU domain.

A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu

By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.

-------------------------------------------------------------

Domain Name: CALTECH.EDU

Registrant:
California Institute of Technology
Information Management Systems and Services MS 1-10
1200 East California Boulevard
Pasadena, CA 91125
US

Administrative Contact:
Domain Admin
California Institute of Technology
1200 E. California Blvd.
MS 1-10
Pasadena, CA 91125
US
+1.6263953500
noc@caltech.edu

Technical Contact:

California Institute of Technology
1200 E. California Blvd.
MS 1-10
Pasadena, CA 91125
US
+1.6263953500
noc@caltech.edu

Name Servers:
TYBALT.CALTECH.EDU
MERCUTIO.NI.CALTECH.EDU
NS5.CAPNET.STATE.TX.US
TEPID.NI.CALTECH.EDU
NSX.LBL.GOV

Domain record activated: 06-Jan-1986
Domain record last updated: 25-Mar-2021
Domain expires: 31-Jul-2021

DNS Records
HostA RecordTTL
HostMX RecordPriorityTTL
HostNS RecordTTL
HostTXT RecordTTL
Errors
Warnings

Last tested: 06/13/2016

Desktop
Desktop Speed
58%
Desktop Resource Breakdown
Total Resources96
Number of Hosts11
Static Resources65
JavaScript Resources22
CSS Resources23

Last tested: 12/03/2019

Mobile
Mobile Usability
99%
Mobile Speed
58%
Mobile Resource Breakdown
Total Resources142
Number of Hosts9
Static Resources39
JavaScript Resources20
CSS Resources4
www.caltech.com
www.caltech.net
www.caltech.org
www.caltech.info
www.caltech.biz
www.caltech.us
www.caltech.mobi
www.altech.edu
www.caltech.edu
www.xaltech.edu
www.cxaltech.edu
www.xcaltech.edu
www.daltech.edu
www.cdaltech.edu
www.dcaltech.edu
www.faltech.edu
www.cfaltech.edu
www.fcaltech.edu
www.valtech.edu
www.cvaltech.edu
www.vcaltech.edu
www.cltech.edu
www.cqltech.edu
www.caqltech.edu
www.cqaltech.edu
www.cwltech.edu
www.cawltech.edu
www.cwaltech.edu
www.csltech.edu
www.casltech.edu
www.csaltech.edu
www.czltech.edu
www.cazltech.edu
www.czaltech.edu
www.catech.edu
www.captech.edu
www.calptech.edu
www.capltech.edu
www.caotech.edu
www.calotech.edu
www.caoltech.edu
www.caktech.edu
www.calktech.edu
www.cakltech.edu
www.calech.edu
www.calrech.edu
www.caltrech.edu
www.calrtech.edu
www.calfech.edu
www.caltfech.edu
www.calftech.edu
www.calgech.edu
www.caltgech.edu
www.calgtech.edu
www.calyech.edu
www.caltyech.edu
www.calytech.edu
www.caltch.edu
www.caltwch.edu
www.caltewch.edu
www.caltwech.edu
www.caltsch.edu
www.caltesch.edu
www.caltsech.edu
www.caltdch.edu
www.caltedch.edu
www.caltdech.edu
www.caltrch.edu
www.calterch.edu
www.calteh.edu
www.caltexh.edu
www.caltecxh.edu
www.caltexch.edu
www.caltedh.edu
www.caltecdh.edu
www.caltefh.edu
www.caltecfh.edu
www.caltefch.edu
www.caltevh.edu
www.caltecvh.edu
www.caltevch.edu
www.caltec.edu
www.caltecb.edu
www.caltechb.edu
www.caltecbh.edu
www.caltecg.edu
www.caltechg.edu
www.caltecgh.edu
www.caltecy.edu
www.caltechy.edu
www.caltecyh.edu
www.caltecu.edu
www.caltechu.edu
www.caltecuh.edu
www.caltecj.edu
www.caltechj.edu
www.caltecjh.edu
www.caltecn.edu
www.caltechn.edu
www.caltecnh.edu