CentOS (Community ENTerprise Operating System) is a Linux distribution that is derived from the Red Hat Enterprise Linux (RHEL) source code. It is a community-driven project that provides a free, open-source, stable, and reliable operating system to users worldwide. The website centos.org serves as the official platform for users to download the CentOS operating system, get support from the community, and contribute to the project.
CentOS.org is a robust website that caters to the needs of a large user base of developers, system administrators, and internet users. The site has a clean and organized layout with intuitive navigation, providing site visitors with easy access to the information they need. The site's content is available in multiple languages, including English, Chinese, Spanish, Italian, French, and Russian, to cater to its diverse user base globally.
Hosted by Eweka Internet Services B.V hosting, CentOS.org has an impressive 45806.761 unique users per day, with 105378.4308 page views. These user statistics demonstrate the significant use and relevance of the CentOS operating system to the world. Moreover, the site has an SSL certificate issued by DigiCert Inc, assuring users of the site's security and privacy.
The website's main menu is divided into different sections: Home, Download, Support, Contribute, News, and About. The Download section provides users with quick links to download different releases of the CentOS operating system depending on their system architecture, including x86_64, PowerPC, and ARMv7hl. The Support section offers support resources to users, including the CentOS wiki, forums, IRC channels, and the mailing list.
The Contribute section is designed for users who want to contribute to the development of the CentOS operating system by volunteering their skills and knowledge, offering donations, or joining community-driven projects. The News section provides updates on the latest CentOS releases, security advisories, and community-driven projects. The About section gives an overview of the CentOS project, its history, and the community that drives it.
CentOS.org has a relatively low score of 43 on PageSpeed Insights, indicating that there is room for improvement in terms of site speed. However, considering the site's functionality and the high volume of user traffic, the site's speed seems reasonable.
Overall, the CentOS.org website serves its user base effectively, with a well-structured layout and easy navigation. The site's content and features cater to the needs of





| Domain | centos.org |
| Issuer Organization | Let's Encrypt |
| Issuer | R11 |
| Algorithm | RSA-SHA256 |
| Valid form | 07/30/2024 |
| Expiration | 10/28/2024 |
| Signed | Certificate is not self signed |
| Additional Domains |
centos.org www.centos.org |
Alexa Rank shows how popular centos.org is in comparison with other sites. The most popular site has Alexa Rank equals 1. If centos.org has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to centos.org and pageviews on centos.org over the past 3 months.
ASN ID: 16509
ASN Title: AMAZON-02 - Amazon.com, Inc., USLast Update: 12/14/2025
#
# 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
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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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
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# 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
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain Name: centos.org
Registry Domain ID: 749ac13cc9c24a029d1e160e612e18d9-LROR
Registrar WHOIS Server: http://whois.comlaude.com
Registrar URL: https://comlaude.com/whois
Updated Date: 2023-11-09T23:31:15Z
Creation Date: 2003-12-04T12:28:30Z
Registry Expiry Date: 2024-12-04T12:28:30Z
Registrar: Nom-iq Ltd. dba COM LAUDE
Registrar IANA ID: 470
Registrar Abuse Contact Email: abuse@comlaude.com
Registrar Abuse Contact Phone: +44.2074218250
Domain Status: clientDeleteProhibited https://icann.org/epp#clientDeleteProhibited
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Domain Status: clientUpdateProhibited https://icann.org/epp#clientUpdateProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Red Hat, Inc.
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: NC
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
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Registrant Fax: REDACTED FOR PRIVACY
Registrant Fax Ext: REDACTED FOR PRIVACY
Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Admin ID: REDACTED FOR PRIVACY
Admin Name: REDACTED FOR PRIVACY
Admin Organization: REDACTED FOR PRIVACY
Admin Street: REDACTED FOR PRIVACY
Admin City: REDACTED FOR PRIVACY
Admin State/Province: REDACTED FOR PRIVACY
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Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Registry Tech ID: REDACTED FOR PRIVACY
Tech Name: REDACTED FOR PRIVACY
Tech Organization: REDACTED FOR PRIVACY
Tech Street: REDACTED FOR PRIVACY
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Tech Fax: REDACTED FOR PRIVACY
Tech Fax Ext: REDACTED FOR PRIVACY
Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name.
Name Server: ns1.centos.org
Name Server: ns2.centos.org
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-09T12:02:10Z
| Host | A Record | TTL |
|---|---|---|
| centos.org | 85.12.30.226 | 600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| centos.org | mail.centos.org | 10 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| centos.org | ns3.centos.org | 14400 |
| centos.org | ns1.centos.org | 14400 |
| centos.org | ns4.centos.org | 14400 |
| Host | TXT Record | TTL |
|---|---|---|
| centos.org | v=spf1 mx ip4:208.100.23.70 ip6:2607:f128:40:1600:225:90ff:fe00:bf20 ip4:176.67.173.46 ip6:2a02:2498:1:3d:21d:9ff:fe65:aedd ip4:164.177.170.49 ip4:85.214.222.242 ip4:50.28.24.115 ip4:85.13.208.9 ip6:2a01:c0:2:4:0:55ff:fe0d:d009 ip4:85.13.226.35 | 3600 |
| centos.org | google-site-verification=xFWz31gRBrIYS5zOQLeT6oY88Z2UPuW031lo3iGaXBI | 3600 |
ns1.centos.org
TTL: 14400
Email address: hostmaster.centos.org
Serial: 2019080501
Refresh: 28800
Retry: 7200
Expire: 2400000
Minimum: 3600
Last tested: 06/13/2016

| Total Resources | 109 |
| Number of Hosts | 6 |
| Static Resources | 90 |
| JavaScript Resources | 10 |
| CSS Resources | 4 |
Last tested: 05/04/2018


| Total Resources | 97 |
| Number of Hosts | 6 |
| Static Resources | 90 |
| JavaScript Resources | 10 |
| CSS Resources | 4 |