Openstax.org OpenStax

OpenStax offers free college textbooks for all types of students, making education accessible & affordable for everyone. Browse our list of available ...


Online Status
Online

Server IP address resolved: Yes
Http response code: 200
Response time: 0.25 sec.
Last Checked: 08/15/2025

Openstax.org traffic volume is 45,310 unique daily visitors and their 95,151 pageviews. The web value rate of openstax.org is 1,251,322 USD. Each visitor makes around 2.25 page views on average.

By Alexa's traffic estimates openstax.org placed at 5,771 position over the world, while the largest amount of its visitors comes from United States, where it takes 1,618 place.

Perfect for openstax.org that their data center (provided by company company AMAZON-02 - Amazon.com, Inc., US) is located in United States, as that empowers most of the visitors to reduce the page load time. See the list of other web pages hosted by AMAZON-02 - Amazon.com, Inc., US.

Openstax.org registered under .ORG top-level domain. Check other websites in .ORG zone.

The last verification results, performed on (July 04, 2025) openstax.org show that openstax.org has a valid and up-to-date SSL certificate issued by Amazon expiring on December 10, 2025. Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Amazon.

In accordance with Google Safe Browsing, Google Safe Search and Symantec openstax.org is pretty a safe domain.

Relying Google MobileFriendly test openstax.org is well optimized for mobile and tablet devices, however web page loading speed may be improved.


Global Rank
7,709
Average Load Time
0.66sec
Links In Count
1,863
Website Value
$1.2 M

Overview
Last Updated: 08/15/2025
Overall result - openstax.org 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: 03/21/2025
openstax.org is safe.
Norton ConnectSafe evaluates openstax.org for any unsafe and insecure content. The results are critical for families with young children.
Google Safe Search
Last Updated: 10/07/2019
openstax.org 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: 06/11/2022
openstax.org 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.
Site Advisor
Last Updated: 02/22/2021
openstax.org is safe.
McAfee assesses openstax.org 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 openstax.org for mature or inappropriate content, only security checks are evaluated.
Web of Trust
Last Updated: 08/15/2025
openstax.org child safety is unknown.
The WOT calculates reputation of the openstax.org. This reputation system receives ratings from users and information from third-party sources, assesses the openstax.org for safety features and confirms, whether openstax.org is suitable for children.

SSL Information
Domainopenstax.org
Issuer OrganizationAmazon
IssuerAmazon RSA 2048 M03
AlgorithmRSA-SHA256
Valid form11/11/2024
Expiration12/10/2025
SignedCertificate is not self signed
Additional Domains openstax.org
*.openstax.org
Server Location

ASN Information

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

Last Update: 03/04/2024

#
# 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

Domain Name: OPENSTAX.ORG
Registry Domain ID: D163449196-LROR
Registrar WHOIS Server: whois.godaddy.com
Registrar URL: http://www.whois.godaddy.com
Updated Date: 2021-09-28T22:16:23Z
Creation Date: 2011-09-27T21:57:24Z
Registry Expiry Date: 2022-09-27T21:57:24Z
Registrar Registration Expiration Date:
Registrar: GoDaddy.com, LLC
Registrar IANA ID: 146
Registrar Abuse Contact Email: abuse@godaddy.com
Registrar Abuse Contact Phone: +1.4806242505
Reseller:
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientRenewProhibited https://icann.org/epp#clientRenewProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registrant Organization: OpenStax
Registrant State/Province: Texas
Registrant Country: US
Name Server: NS-1195.AWSDNS-21.ORG
Name Server: NS-602.AWSDNS-11.NET
Name Server: NS-358.AWSDNS-44.COM
Name Server: NS-2027.AWSDNS-61.CO.UK
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form https://www.icann.org/wicf/)
>>> Last update of WHOIS database: 2022-05-13T19:49:58Z


DNS Records
HostA RecordTTL
openstax.org18.165.227.1060
openstax.org18.165.227.4860
openstax.org18.165.227.11860
openstax.org18.165.227.3460
HostMX RecordPriorityTTL
openstax.orgaspmx.l.google.com103600
openstax.orgalt1.aspmx.l.google.com203600
openstax.orgalt2.aspmx.l.google.com203600
openstax.orgaspmx2.googlemail.com303600
openstax.orgaspmx3.googlemail.com303600
openstax.orgaspmx4.googlemail.com303600
openstax.orgaspmx5.googlemail.com303600
HostNS RecordTTL
openstax.orgns-1195.awsdns-21.org172800
openstax.orgns-2027.awsdns-61.co.uk172800
openstax.orgns-358.awsdns-44.com172800
openstax.orgns-602.awsdns-11.net172800
HostTXT RecordTTL
openstax.org1password-site-verification=USDQ5N76BVCB5CXXBSZ34POROQ3600
openstax.orgMS=ms583838683600
openstax.orgfacebook-domain-verification=qehn0rayh30a1mrjbmt6ncx7lf6evi3600
openstax.orggoogle-site-verification=5P1KHg2sIon0NiYhjrIxuLk_EZtd2bdHOJwMh9DcyFc3600
openstax.orggoogle-site-verification=DIkdt2XgAPYTPkOu0pwy2c4wT7FVbu0-rjuofvg3NEk3600
openstax.orggoogle-site-verification=P1vW50nEgMHnULfJse3CTqWNAkaeVmHCG_a4y-yJ_Gc3600
openstax.orggoogle-site-verification=kU898HQbWPBk88hCzxxput41Du008GyrmHuZ_0tu-XU3600
openstax.orgij7237pjdbunduigm3aog31coa3600
openstax.orgpardot218812=cad18a59f84a76dac099a1090cfe14fb86bfda2f2f3b1049d3ca49550886ddb73600
openstax.orgv=spf1 include:_spf.google.com include:amazonses.com include:_spf.salesforce.com include:aspmx.pardot.com ~all3600

ns-2027.awsdns-61.co.uk
TTL: 60
Email address: awsdns-hostmaster.amazon.com
Serial: 1
Refresh: 7200
Retry: 900
Expire: 1209600
Minimum: 86400

Warnings

Errors

Last tested: 12/30/2019

Desktop
Desktop Speed
63%

Desktop Resource Breakdown
Total Resources75
Number of Hosts15
Static Resources37
JavaScript Resources33
CSS Resources2

Last tested: 12/26/2019

Mobile
Mobile Usability
96%
Mobile Speed
49%

Mobile Resource Breakdown
Total Resources74
Number of Hosts15
Static Resources36
JavaScript Resources33
CSS Resources2
www.openstax.com
www.openstax.net
www.openstax.org
www.openstax.info
www.openstax.biz
www.openstax.us
www.openstax.mobi
www.penstax.org
www.openstax.org
www.ipenstax.org
www.oipenstax.org
www.iopenstax.org
www.kpenstax.org
www.okpenstax.org
www.kopenstax.org
www.lpenstax.org
www.olpenstax.org
www.lopenstax.org
www.ppenstax.org
www.oppenstax.org
www.popenstax.org
www.oenstax.org
www.ooenstax.org
www.opoenstax.org
www.oopenstax.org
www.olenstax.org
www.oplenstax.org
www.opnstax.org
www.opwnstax.org
www.opewnstax.org
www.opwenstax.org
www.opsnstax.org
www.opesnstax.org
www.opsenstax.org
www.opdnstax.org
www.opednstax.org
www.opdenstax.org
www.oprnstax.org
www.opernstax.org
www.oprenstax.org
www.opestax.org
www.opebstax.org
www.openbstax.org
www.opebnstax.org
www.opehstax.org
www.openhstax.org
www.opehnstax.org
www.opejstax.org
www.openjstax.org
www.opejnstax.org
www.opemstax.org
www.openmstax.org
www.opemnstax.org
www.opentax.org
www.openwtax.org
www.openswtax.org
www.openwstax.org
www.openetax.org
www.opensetax.org
www.openestax.org
www.opendtax.org
www.opensdtax.org
www.opendstax.org
www.openztax.org
www.opensztax.org
www.openzstax.org
www.openxtax.org
www.opensxtax.org
www.openxstax.org
www.openatax.org
www.opensatax.org
www.openastax.org
www.opensax.org
www.opensrax.org
www.openstrax.org
www.opensrtax.org
www.opensfax.org
www.openstfax.org
www.opensftax.org
www.opensgax.org
www.openstgax.org
www.opensgtax.org
www.opensyax.org
www.openstyax.org
www.opensytax.org
www.openstx.org
www.openstqx.org
www.openstaqx.org
www.openstqax.org
www.openstwx.org
www.openstawx.org
www.openstwax.org
www.openstsx.org
www.openstasx.org
www.openstsax.org
www.openstzx.org
www.openstazx.org
www.openstzax.org
www.opensta.org
www.openstaz.org
www.openstaxz.org
www.openstas.org
www.openstaxs.org
www.openstad.org
www.openstaxd.org
www.openstadx.org
www.openstac.org
www.openstaxc.org
www.openstacx.org

Page was generated in 3.2320189476013