Colorado.edu Home | University of Colorado Boulder

The University of Colorado Boulder is a bold, innovative community of scholars and learners who accelerate human potential to solve the humanitarian, ...

Colorado.edu Overview

Colorado.edu ranking shows that the page is at position 3,503 over the world, while the bulk of its audience is from United States, where it ranks 2,035.

It is beneficial to colorado.edu that their hosting company FASTLY - Fastly, US servers are located in United States, as that reduces page load time for the majority of their users. See the list of other webpages hosted on FASTLY - Fastly, US servers.

In terms of rank-to-traffic ratio, colorado.edu has 73,273 unique users per day, viewing 208,094 pages. The rank based value of colorado.edu is 2,755,846 USD. Every user makes 3.04 pageviews on average.

Colorado.edu top-level domain belongs to .EDU domain zone. Check other webpages in .EDU zone.

According the last verification test in November 28, 2019, colorado.edu has an expired SSL certificate issued by Sectigo Limited (expired on January 27, 2021). Click button “Update” SSL Information at the Safety Information section. Check the list of websites using SSL by Sectigo Limited.

Based on data from Google Safe Browsing, Google Safe Search, Symantec and Web of Trust colorado.edu is a fairly safe domain.

According the Mobile-Friendly test by Google colorado.edu is nice optimized for mobile devices and tablets, however the webpage speed could be improved.

Colorado.edu Rank Summary

Global Rank
3,503
Average Load Time
1.53sec
Links In Count
20,080
Website Value
$2.6 M

Colorado.edu Website Safety

logo
Overview
Last Updated: 09/25/2022
Overall result - colorado.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 logo
Norton Connect Safe
Last Updated: 01/28/2022
colorado.edu is safe.
Norton ConnectSafe evaluates colorado.edu for any unsafe and insecure content. The results are critical for families with young children.
Google logo
Google Safe Search
Last Updated: 02/04/2019
colorado.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 brwosing logo
Google Safe Browsing
Last Updated: 08/11/2020
colorado.edu is safe.
Malware: not found.
Phishing: not detected.
Unwanted software: not found.
Harmfull applications: not found.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee logo
Site Advisor
Last Updated: 02/22/2021
colorado.edu is safe.
McAfee assesses colorado.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 colorado.edu for mature or inappropriate content, only security checks are evaluated.
Web of trust logo
Web of Trust
Last Updated: 01/09/2019
colorado.edu child safety is very good.
The WOT calculates reputation of the colorado.edu. This reputation system receives ratings from users and information from third-party sources, assesses the colorado.edu for safety features and confirms, whether colorado.edu is suitable for children.

SSL Information
Domainwww.colorado.edu
Issuer OrganizationSectigo Limited
IssuerSectigo RSA Organization Validation Secure Server CA
AlgorithmRSA-SHA256
Valid form01/28/2019
Expiration01/27/2021
SignedCertificate is not self signed
Additional Domains www.colorado.edu
cdn.colorado.edu
colorado.edu

Colorado.edu Hosting Information

Server Location

ASN Information

ASN ID: 54113
ASN Title: FASTLY - Fastly, US

Last Update: 04/20/2022

#
# 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: 54113
ASName: FASTLY
ASHandle: AS54113
RegDate: 2011-10-04
Updated: 2012-03-02
Comment: http://www.fastly.com/
Ref: https://rdap.arin.net/registry/autnum/54113

OrgName: Fastly
OrgId: SKYCA-3
Address: PO Box 78266
City: San Francisco
StateProv: CA
PostalCode: 94107
Country: US
RegDate: 2011-09-16
Updated: 2017-03-30
Ref: https://rdap.arin.net/registry/entity/SKYCA-3

OrgNOCHandle: FNO19-ARIN
OrgNOCName: Fastly Network Operations
OrgNOCPhone: +1-415-404-9374
OrgNOCEmail: noc@fastly.com
OrgNOCRef: https://rdap.arin.net/registry/entity/FNO19-ARIN

OrgTechHandle: FRA19-ARIN
OrgTechName: Fastly RIR Administrator
OrgTechPhone: +1-415-404-9374
OrgTechEmail: rir-admin@fastly.com
OrgTechRef: https://rdap.arin.net/registry/entity/FRA19-ARIN

OrgAbuseHandle: ABUSE4771-ARIN
OrgAbuseName: Abuse Account
OrgAbusePhone: +1-415-496-9353
OrgAbuseEmail: abuse@fastly.com
OrgAbuseRef: https://rdap.arin.net/registry/entity/ABUSE4771-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.
#

Colorado.edu Domain Registration and Settings

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: COLORADO.EDU

Registrant:
University of Colorado
3645 Marine Street
3645 Marine Street - 445 UCB
Boulder, CO 80309-0455
US

Administrative Contact:
Domain Admin
University of Colorado
3645 Marine Street
3645 Marine Street - 445 UCB
Boulder, CO 80309-0455
US
+1.3034922423
dnsadmin@colorado.edu

Technical Contact:
Domain Admin
University of Colorado
3645 Marine Street
3645 Marine Street - 445 UCB
Boulder, CO 80309-0455
US
+1.3034922423
dnsadmin@colorado.edu

Name Servers:
OLDDUKE.COLORADO.EDU
OTIS.COLORADO.EDU
BOULDER.COLORADO.EDU

Domain record activated: 02-Jun-1986
Domain record last updated: 25-Mar-2021
Domain expires: 31-Jul-2021


DNS Records
HostA RecordTTL
colorado.edu128.138.129.983600
HostMX RecordPriorityTTL
colorado.edumx.colorado.edu103600
HostNS RecordTTL
colorado.eduboulder.colorado.edu3600
colorado.eduotis.colorado.edu3600
colorado.eduoldduke.colorado.edu3600
HostTXT RecordTTL
colorado.eduMS=ms272699943600
colorado.eduadobe-idp-site-verification=eeab0574b1bc44614a6ababa1b9cb2aa95d17766b4e50500c1a1d6e1e39432173600
colorado.edudocusign=dcb8d5d8-71e8-4884-8604-02297bea80723600
colorado.edubMFGPNmrr7aoZsBWqexbujPiPjVzJe4wrZfl/t81eGptVxvkprdRSqKfj3paVrFcRhsrQHBlMGIR86eXUIYbCw==3600
colorado.edudocusign=7412fd08-3676-471a-8b65-8cc2b13c81373600
colorado.eduv=spf1 ip4:128.138.1.0/24 ip4:128.138.48.0/20 ip4:128.138.64.0/18 ip4:128.138.128.0/17 ip4:204.228.68.242 ip4:204.12.83.118 include:_spf1.colorado.edu ~all3600

boulder.colorado.edu
TTL: 3600
Email address: dnsadmin.colorado.edu
Serial: 2019080714
Refresh: 3600
Retry: 1200
Expire: 2419200
Minimum: 3600

Colorado.edu HTML Check


Errors
Warnings

Colorado.edu Desktop Performance

Last tested: 12/02/2019

Speedometer image
Desktop Speed
75%

Desktop Resource Breakdown
Total Resources99
Number of Hosts32
Static Resources39
JavaScript Resources31
CSS Resources9

Colorado.edu Mobile Insights

Last tested: 12/12/2017

Speedometer image
Mobile Usability
99%
Speedometer image
Mobile Speed
59%

Mobile Resource Breakdown
Total Resources148
Number of Hosts62
Static Resources44
JavaScript Resources23
CSS Resources9

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