Cert.org The CERT Division | Software Engineering Institute
The CERT Division is a leader in cybersecurity, partnering with government, industry, and law enforcement to improve the security and resilience of sy...
Server IP address resolved: Yes
Http response code: 200
Response time: 1.55 sec.
Last Checked: 01/22/2025
Cert.org attracts 2,663 unique visitors daily, generating 4,527 pageviews. The estimated value of cert.org is 85,921 USD. Each visitor views approximately 1.82 pages on average.
According to Majestic's traffic estimates, cert.org ranks 4,253 globally, with the majority of its visitors coming from United States, where it holds the 203,788 position.
It is beneficial for cert.org that their data center (provided by CMU-ROUTER - Carnegie Mellon University, US) is located in United States, as this helps reduce page load time for most visitors.
See the list of other websites hosted by CMU-ROUTER - Carnegie Mellon University, US.
Cert.org is registered with the .ORG top-level domain. Explore additional websites within the .ORG zone.
A recent examination on (April 19, 2022), indicates that cert.org has an expired SSL certificate issued by Internet2 (expired on May 28, 2022). Click the "Refresh" button in the Safety Information section for updated SSL details. See the list of websites using SSL certificates issued by Internet2.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust cert.org appears to be a safe domain.
Based on Google's Mobile-Friendly test, cert.org is optimized for mobile and tablet devices, although the web page loading speed could be improved.
Audience Geography. Where are cert.org visitors located?
| Country | Visitors |
|---|---|
 United States US | 21.1% |
| United Kingdom GB | 11.5% |
| India IN | 8.1% |
| Singapore SG | 5.7% |
| Thailand TH | 2.5% |
| Egypt EG | 1.6% |
| Russian Federation RU | 1.2% |
| Other | 48.7% |
| Country | Pageviews |
|---|---|
| United States US | 34.8% |
| Thailand TH | 22.4% |
| United Kingdom GB | 6.6% |
| India IN | 3.9% |
| Singapore SG | 3.3% |
| Russian Federation RU | 1.6% |
| Egypt EG | 0.7% |
| Other | 26.7% |
| Country | Rank |
|---|---|
| Singapore SG | 36274 |
| Thailand TH | 37905 |
| United Kingdom GB | 98962 |
| Egypt EG | 105841 |
| India IN | 196658 |
| United States US | 203788 |
| Russian Federation RU | 470813 |
Where do visitors go on cert.org?
| Subdomain | Pageviews |
|---|---|
| kb.cert.org | 43.13% |
| netsa.cert.org | 32.38% |
| vuls.cert.org | 3.98% |
| other | 20.57% |
| Subdomain | Pageviews per User |
|---|---|
| netsa.cert.org | 20 |
| kb.cert.org | 1.3 |
| vuls.cert.org | 1 |
| Subdomain | Reach |
|---|---|
| kb.cert.org | 77.88% |
| vuls.cert.org | 9.57% |
| netsa.cert.org | 4.63% |
How popular is cert.org?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 161651 | -12276 |
| past month | 310058 | 117329 |
| past week | 430721 | 112069 |
| yesterday | 647456 | 162143 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 223397 | 25226 | 2 | -13.26% | 1.7 | -29.75% |
| 30 | 355409 | 96777 | 11 | -33.18% | 2.4 | 30% |
| 7 | 525597 | 239355 | 7 | -55.355% | 2 | -47.42% |
| 1 | 777243 | 269016 | 3 | -51.835% | 1 | -48.98% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 147442 | -27614 | 42 | 20% |
| 30 | 314670 | 134070 | 17 | -49.318% |
| 7 | 422066 | 56958 | 12 | -15.21% |
| 1 | 577542 | 86486 | 1 | -5.405% |
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 ConnectSafe evaluates cert.org for any unsafe and insecure content. The results are critical for families with young children.
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.
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 assesses cert.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 cert.org for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the cert.org. This reputation system receives ratings from users and information from third-party sources, assesses the cert.org for safety features and confirms, whether cert.org is suitable for children.
| Domain | www.cert.org |
| Issuer Organization | Internet2 |
| Issuer | InCommon ECC Server CA |
| Algorithm | ecdsa-with-SHA256 |
| Valid form | 05/28/2020 |
| Expiration | 05/28/2022 |
| Signed | Certificate is not self signed |
| Additional Domains |
www.cert.org cert.org |
ASN ID: 9
ASN Title: CMU-ROUTER - Carnegie Mellon University, US
Last Update: 07/19/2024
#
# 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: 9
ASName: CMU-ROUTER
ASHandle: AS9
RegDate: 1984-04-17
Updated: 2012-04-02
Ref: https://rdap.arin.net/registry/autnum/9
OrgName: Carnegie Mellon University
OrgId: CARNEG-Z
Address: Cyert Hall 215
Address: 5000 Forbes Avenue
City: Pittsburgh
StateProv: PA
PostalCode: 15213
Country: US
RegDate: 2009-12-01
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/CARNEG-Z
OrgAbuseHandle: CMA3-ARIN
OrgAbuseName: Carnegie Mellon Abuse
OrgAbusePhone: +1-412-268-4357
OrgAbuseEmail: abuse@andrew.cmu.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/CMA3-ARIN
OrgTechHandle: CH4-ORG-ARIN
OrgTechName: Carnegie Mellon Hostmaster
OrgTechPhone: +1-412-268-4357
OrgTechEmail: host-master@andrew.cmu.edu
OrgTechRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN
OrgNOCHandle: CH4-ORG-ARIN
OrgNOCName: Carnegie Mellon Hostmaster
OrgNOCPhone: +1-412-268-4357
OrgNOCEmail: host-master@andrew.cmu.edu
OrgNOCRef: https://rdap.arin.net/registry/entity/CH4-ORG-ARIN
RTechHandle: CH4-ORG-ARIN
RTechName: Carnegie Mellon Hostmaster
RTechPhone: +1-412-268-4357
RTechEmail: host-master@andrew.cmu.edu
RTechRef: https://rdap.arin.net/registry/entity/CH4-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.
#
Domain Name: cert.org
Registry Domain ID: 635b6cec75e04b3fa5b765d4c35b4ffa-LROR
Registrar WHOIS Server: whois.networksolutions.com
Registrar URL: http://www.networksolutions.com
Updated Date: 2024-03-25T18:36:31Z
Creation Date: 1991-12-31T05:00:00Z
Registry Expiry Date: 2033-12-30T05:00:00Z
Registrar: Network Solutions, LLC
Registrar IANA ID: 2
Registrar Abuse Contact Email: domain.operations@web.com
Registrar Abuse Contact Phone: +1.8777228662
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: Software Engineering Institute - CMU
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: PA
Registrant Postal Code: REDACTED FOR PRIVACY
Registrant Country: US
Registrant Phone: REDACTED FOR PRIVACY
Registrant Phone Ext: REDACTED FOR PRIVACY
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
Admin Postal Code: REDACTED FOR PRIVACY
Admin Country: REDACTED FOR PRIVACY
Admin Phone: REDACTED FOR PRIVACY
Admin Phone Ext: REDACTED FOR PRIVACY
Admin Fax: REDACTED FOR PRIVACY
Admin Fax Ext: REDACTED FOR PRIVACY
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
Tech City: REDACTED FOR PRIVACY
Tech State/Province: REDACTED FOR PRIVACY
Tech Postal Code: REDACTED FOR PRIVACY
Tech Country: REDACTED FOR PRIVACY
Tech Phone: REDACTED FOR PRIVACY
Tech Phone Ext: REDACTED FOR PRIVACY
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: ns-1403.awsdns-47.org
Name Server: ns-1794.awsdns-32.co.uk
Name Server: ns-28.awsdns-03.com
Name Server: ns-916.awsdns-50.net
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-09-22T03:08:43Z
| Host | A Record | TTL |
|---|---|---|
| cert.org | 128.237.30.13 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| cert.org | northridge.red.cert.org | 10 | 3600 |
| cert.org | brick.red.cert.org | 10 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| cert.org | ns1.sei.cmu.edu | 3600 |
| cert.org | ns2.sei.cmu.edu | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| cert.org | v=spf1 ip4:147.72.252.0/27 include:spfb.protection.outlook.com ?all | 3600 |
| cert.org | fnMQONm5ulBGb6rVh9I4yh6NBewMM/5fIuzQ3HArMQ3QcWD/mkZLEd+PvYavK1OwZZLjtPFkF3DghUP/NgBKVA== | 3600 |
| cert.org | MS=ms99326395 | 3600 |
ns-grid-master.sei.cmu.edu
TTL: 3600
Email address: hostmaster.cert.org
Serial: 20113
Refresh: 900
Retry: 300
Expire: 604800
Minimum: 900
Last tested: 06/02/2017
| Total Resources | 38 |
| Number of Hosts | 8 |
| Static Resources | 30 |
| JavaScript Resources | 10 |
| CSS Resources | 3 |
Last tested: 05/19/2017
| Total Resources | 38 |
| Number of Hosts | 8 |
| Static Resources | 30 |
| JavaScript Resources | 10 |
| CSS Resources | 3 |
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