Marfan.org The Marfan Foundation | Know the Signs | Fight for Victory
The Marfan Foundation tirelessly advances the research for the treatment of marfan syndrome and its related conditions! We're here to create a brighte...
Server IP address resolved: Yes
Http response code: 200
Response time: 0.06 sec.
Last Checked: 08/15/2025
Marfan.org traffic volume is 1,133 unique daily visitors and their 2,266 pageviews. The web value rate of marfan.org is 42,179 USD. Each visitor makes around 2.14 page views on average.
By Alexa's traffic estimates marfan.org placed at 69,665 position over the world, while the largest amount of its visitors comes from United States, where it takes 97,982 place.
Perfect for marfan.org that their data center (provided by company company FASTLY - Fastly, 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 FASTLY - Fastly, US.
Marfan.org registered under .ORG top-level domain. Check other websites in .ORG zone.
The last verification results, performed on (October 04, 2024) marfan.org show that marfan.org has an expired SSL certificate issued by Let's Encrypt (expired on January 01, 2025). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Let's Encrypt.
In accordance with Google Safe Browsing, Google Safe Search, Symantec and Web of Trust marfan.org is pretty a safe domain.
Relying Google MobileFriendly test marfan.org is well optimized for mobile and tablet devices, however web page loading speed may be improved.
Audience Geography. Where are marfan.org visitors located?
| Country | Visitors |
|---|---|
 United States US | 73.8% |
| Other | 26% |
| Country | Pageviews |
|---|---|
| United States US | 80% |
| Other | 20.1% |
| Country | Rank |
|---|---|
| United States US | 97982 |
Where do visitors go on marfan.org?
| Subdomain | Pageviews |
|---|---|
| marfan.org | 93.67% |
| info.marfan.org | 4.09% |
| other | 2.24% |
| Subdomain | Pageviews per User |
|---|---|
| marfan.org | 2.6 |
| info.marfan.org | 1 |
| Subdomain | Reach |
|---|---|
| marfan.org | 96.23% |
| info.marfan.org | 9.01% |
How popular is marfan.org?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 320637 | 23734 |
| past month | 389830 | 56249 |
| past week | 384146 | 130119 |
| yesterday | 270019 | -326638 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 403124 | -7040 | 9 | 4% | 2 | 20% |
| 30 | 417095 | -17995 | 9 | 4% | 2.7 | 50% |
| 7 | 451200 | 210309 | 8 | -56.125% | 2 | -36.46% |
| 1 | 288420 | -468639 | 17 | 300% | 3 | 100% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 307958 | 37479 | 17 | -13.53% |
| 30 | 407543 | 90081 | 12 | -28.7% |
| 7 | 393368 | 107324 | 14 | -30.75% |
| 1 | 289752 | -242877 | 2 | 100% |
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 marfan.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 marfan.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 marfan.org for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the marfan.org. This reputation system receives ratings from users and information from third-party sources, assesses the marfan.org for safety features and confirms, whether marfan.org is suitable for children.
| Domain | marfan.org |
| Issuer Organization | Let's Encrypt |
| Issuer | R11 |
| Algorithm | RSA-SHA256 |
| Valid form | 10/03/2024 |
| Expiration | 01/01/2025 |
| Signed | Certificate is not self signed |
| Additional Domains | marfan.org www.marfan.org |
ASN ID: 54113
ASN Title: FASTLY - Fastly, US
Last Update: 04/22/2025
#
# 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
#
# 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.
#
Domain Name: marfan.org
Registry Domain ID: 9ed3e7aff34b44259f8730437292fdb0-LROR
Registrar WHOIS Server: http://whois.cloudflare.com
Registrar URL: http://www.cloudflare.com
Updated Date: 2023-11-19T20:04:55Z
Creation Date: 1996-01-04T05:00:00Z
Registry Expiry Date: 2026-01-03T05:00:00Z
Registrar: CloudFlare, Inc.
Registrar IANA ID: 1910
Registrar Abuse Contact Email: registrar-abuse@cloudflare.com
Registrar Abuse Contact Phone: +1.6503198930
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Registry Registrant ID: REDACTED FOR PRIVACY
Registrant Name: REDACTED FOR PRIVACY
Registrant Organization: The Marfan Foundation
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: New York
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: jasmine.ns.cloudflare.com
Name Server: valentin.ns.cloudflare.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-10-21T05:55:12Z
| Host | A Record | TTL |
|---|---|---|
| marfan.org | 23.185.0.4 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| marfan.org | d298589a.ess.barracudanetworks.com | 0 | 300 |
| marfan.org | d298589b.ess.barracudanetworks.com | 5 | 300 |
| Host | NS Record | TTL |
|---|---|---|
| marfan.org | jasmine.ns.cloudflare.com | 86400 |
| marfan.org | valentin.ns.cloudflare.com | 86400 |
| Host | TXT Record | TTL |
|---|---|---|
| marfan.org | MS=ms85577312 | 300 |
| marfan.org | asv=17ab20dd82a17d92dbb0183ed700a08a | 300 |
| marfan.org | google-site-verification=37aIPKKAOxAR8eqY1JPzpmUC_t1HnqHvKsl72VTT4mY | 300 |
| marfan.org | google-site-verification=W9CYOrpMpXygzb0KcwJ9LTCyvONMyazIIg9QML83zsE | 300 |
| marfan.org | v=spf1 include:spf.protection.outlook.com include:_spf.salesforce.com include:_spf.createsend.com include:spf1.formassembly.com -all | 300 |
jasmine.ns.cloudflare.com
TTL: 1800
Email address: dns.cloudflare.com
Serial: 2370719301
Refresh: 10000
Retry: 2400
Expire: 604800
Minimum: 1800
Last tested: 01/16/2019
| Total Resources | 65 |
| Number of Hosts | 13 |
| Static Resources | 53 |
| JavaScript Resources | 17 |
| CSS Resources | 6 |
Last tested: 01/16/2019
| Total Resources | 61 |
| Number of Hosts | 13 |
| Static Resources | 49 |
| JavaScript Resources | 17 |
| CSS Resources | 6 |
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