Columbiasurgery.org Columbia University Department of Surgery | Top Hospital New York
We offer surgical care, with the best doctors and surgeons, research, educational programs and support services.
Server IP address resolved: No
Http response code: None
Last Checked: 08/14/2025
Columbiasurgery.org traffic volume is 2,528 unique daily visitors and their 3,540 pageviews. The web value rate of columbiasurgery.org is 63,269 USD. Each visitor makes around 1.50 page views on average.
By Alexa's traffic estimates columbiasurgery.org placed at 45,211 position over the world, while the largest amount of its visitors comes from United States, where it takes 57,158 place.
Perfect for columbiasurgery.org that their data center (provided by company company AMAZON-AES - 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-AES - Amazon.com, Inc., US.
Columbiasurgery.org registered under .ORG top-level domain. Check other websites in .ORG zone.
The last verification results, performed on (October 06, 2024) columbiasurgery.org show that columbiasurgery.org has an expired SSL certificate issued by Internet2 (expired on June 08, 2025). Click “Refresh” button for SSL Information at the Safety Information section. Check the list of websites using SSL certificates issued by Internet2.
In accordance with Google Safe Browsing, Google Safe Search and Symantec columbiasurgery.org is pretty a safe domain.
Relying Google MobileFriendly test columbiasurgery.org is well optimized for mobile and tablet devices, however web page loading speed may be improved.
Audience Geography. Where are columbiasurgery.org visitors located?
| Country | Visitors |
|---|---|
 United States US | 58.2% |
| United Kingdom GB | 10.7% |
| India IN | 6.3% |
| Canada CA | 3.9% |
| Philippines PH | 1.9% |
| Pakistan PK | 1.2% |
| Other | 17.9% |
| Country | Pageviews |
|---|---|
| United States US | 58.2% |
| United Kingdom GB | 10.9% |
| India IN | 6.5% |
| Canada CA | 3.9% |
| Philippines PH | 2% |
| Pakistan PK | 1% |
| Other | 17.6% |
| Country | Rank |
|---|---|
| Philippines PH | 33284 |
| United Kingdom GB | 54311 |
| United States US | 57158 |
| Canada CA | 81007 |
| Pakistan PK | 86078 |
| India IN | 132240 |
Where do visitors go on columbiasurgery.org?
| Subdomain | Pageviews |
|---|---|
| columbiasurgery.org | 100% |
| Subdomain | Pageviews per User |
|---|---|
| columbiasurgery.org | 1.2 |
| Subdomain | Reach |
|---|---|
| columbiasurgery.org | 100% |
How popular is columbiasurgery.org?
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 207750 | -2906 |
| past month | 190900 | -35439 |
| past week | 189839 | -9945 |
| yesterday | 147713 | -119111 |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 318094 | 7127 | 12 | -0.792% | 1.4 | -6.849% |
| 30 | 312097 | -38657 | 13 | 20% | 1.2 | -8.209% |
| 7 | 315962 | -37185 | 14 | 20% | 1.2 | 10% |
| 1 | 267401 | -169887 | 2 | 90% | 1 | -17.74% |
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 178227 | -6430 | 34 | 6% |
| 30 | 158792 | -35478 | 4 | 30% |
| 7 | 159103 | -1301 | 42 | 4% |
| 1 | 117235 | -113088 | 7 | 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 columbiasurgery.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 columbiasurgery.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 columbiasurgery.org for mature or inappropriate content, only security checks are evaluated.
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| Domain | columbiasurgery.org |
| Issuer Organization | Internet2 |
| Issuer | InCommon RSA Server CA 2 |
| Algorithm | RSA-SHA384 |
| Valid form | 05/08/2024 |
| Expiration | 06/08/2025 |
| Signed | Certificate is not self signed |
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ASN ID: 14618
ASN Title: AMAZON-AES - Amazon.com, Inc., US
Last Update: 07/14/2025
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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.
#
ASNumber: 14618
ASName: AMAZON-AES
ASHandle: AS14618
RegDate: 2005-11-04
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/14618
OrgName: Amazon.com, Inc.
OrgId: AMAZO-4
Address: Amazon Web Services, Inc.
Address: P.O. Box 81226
City: Seattle
StateProv: WA
PostalCode: 98108-1226
Country: US
RegDate: 2005-09-29
Updated: 2017-01-28
Comment: For details of this service please see
Comment: http://ec2.amazonaws.com/
Ref: https://rdap.arin.net/registry/entity/AMAZO-4
OrgNOCHandle: AANO1-ARIN
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OrgAbuseRef: https://rdap.arin.net/registry/entity/AEA8-ARIN
RTechHandle: ANO24-ARIN
RTechName: Amazon EC2 Network Operations
RTechPhone: +1-206-266-4064
RTechEmail: amzn-noc-contact@amazon.com
RTechRef: https://rdap.arin.net/registry/entity/ANO24-ARIN
#
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# If you see inaccuracies in the results, please report at
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
#
Domain Name: columbiasurgery.org
Registry Domain ID: 1df4034ab1054f98a7f3f571acd58998-LROR
Registrar WHOIS Server: http://whois.domain.com
Registrar URL: http://www.domain.com
Updated Date: 2024-05-11T16:59:39Z
Creation Date: 1998-12-13T05:00:00Z
Registry Expiry Date: 2025-12-12T05:00:00Z
Registrar: Domain.com, LLC
Registrar IANA ID: 886
Registrar Abuse Contact Email: compliance@domain-inc.net
Registrar Abuse Contact Phone: +1.6022262389
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: Columbia University Irving Medical Center, Department of Surgery
Registrant Street: REDACTED FOR PRIVACY
Registrant City: REDACTED FOR PRIVACY
Registrant State/Province: NY
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
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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
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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.dotster.com
Name Server: ns2.dotster.com
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of WHOIS database: 2024-11-26T21:43:30Z
| Host | A Record | TTL |
|---|---|---|
| columbiasurgery.org | 107.22.171.116 | 3600 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| columbiasurgery.org | external-smtp-multi-vif.cc.columbia.edu | 30 | 3600 |
| columbiasurgery.org | mx.columbiasurgery.org | 30 | 3600 |
| Host | NS Record | TTL |
|---|---|---|
| columbiasurgery.org | ns1.dotster.com | 3600 |
| columbiasurgery.org | ns2.dotster.com | 3600 |
| Host | TXT Record | TTL |
|---|---|---|
| columbiasurgery.org | v=spf1 ip4:66.96.128.0/18 ?all | 3600 |
| columbiasurgery.org | facebook-domain-verification=aqph6grxmg2zelq4lba0d2k8ejsg41 | 1800 |
| columbiasurgery.org | google-site-verification=jp27Nvew4JbybxTP0m3SNRQ0kNca9fn57Nn-X5254y4 | 1800 |
ns1.dotster.com
TTL: 3600
Email address: dnsadmin.dotster.com
Serial: 2019062861
Refresh: 10800
Retry: 3600
Expire: 604800
Minimum: 3600
Last tested: 06/29/2019
| Total Resources | 51 |
| Number of Hosts | 8 |
| Static Resources | 40 |
| JavaScript Resources | 11 |
| CSS Resources | 6 |
Last tested: 07/01/2019
| Total Resources | 51 |
| Number of Hosts | 8 |
| Static Resources | 40 |
| JavaScript Resources | 11 |
| CSS Resources | 6 |
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