Duke.edu Duke University
Server IP address resolved: Yes
Http response code: 200
Response time: 0.55 sec.
Last Checked: 01/14/2023
Over the time duke.edu has been ranked as high as 539 in the world, while most of its traffic comes from United States, where it reached as high as 975 position.
Duke.edu receives about 35,665 unique visitors and 156,569 pageviews per day. The estimated value of duke.edu is 2,062,980 USD. Each unique visitor makes about 4.39 pageviews on average.
Duke.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.
At the time of the last check (November 28, 2019) duke.edu has an expired SSL certificate issued by Internet2 (expired on May 28, 2020). Check other websites using SSL certificates issued by Internet2.
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust duke.edu is quite a safe domain.
Mobile-Friendly test indicates that duke.edu is well optimized for mobile and tablet devices.
Audience Geography. Where are duke.edu visitors located?
| Country | Rank |
|---|---|
 Ethiopia ET | 942 |
| United States US | 975 |
| Nigeria NG | 3963 |
| Philippines PH | 4118 |
| South Africa ZA | 4401 |
| Canada CA | 5915 |
| India IN | 5986 |
| China CN | 6498 |
| Taiwan TW | 6521 |
| Korea KR | 6599 |
| Australia AU | 8289 |
| United Kingdom GB | 8982 |
| Country | Percent of Pageviews |
|---|---|
| United States US | 84.3% |
| China CN | 3.7% |
| Korea KR | 2.1% |
| India IN | 1.7% |
| Japan JP | 1.1% |
| Canada CA | 0.7% |
| United Kingdom GB | 0.7% |
| Taiwan TW | 0.4% |
| Iran IR | 0.3% |
| Other | 4.9% |
| Country | Percent of Visitors |
|---|---|
| United States US | 66.5% |
| China CN | 7.2% |
| India IN | 5.4% |
| Japan JP | 2.5% |
| United Kingdom GB | 1.5% |
| Canada CA | 1.2% |
| Korea KR | 0.8% |
| South Africa ZA | 0.8% |
| Taiwan TW | 0.7% |
| Other | 13.2% |
Where do visitors go on duke.edu?
| Subdomain | Pageviews |
|---|---|
| oit.duke.edu | 20.48% |
| sakai.duke.edu | 13.29% |
| fuqua.duke.edu | 4.65% |
| siss.duke.edu | 4.45% |
| duhs.duke.edu | 4.24% |
| cs.duke.edu | 2.41% |
| law.duke.edu | 2.25% |
| sites.duke.edu | 1.99% |
| library.duke.edu | 1.65% |
| other | 44.61% |
| Subdomain | Pageviews per User |
|---|---|
| biochem.duke.edu | 30 |
| evolutionaryanthropology.duke.edu | 10 |
| sakai.duke.edu | 8.9 |
| extend.duke.edu | 7 |
| dukelist.duke.edu | 6.9 |
| duhs.duke.edu | 6.9 |
| software.duke.edu | 6.6 |
| psychandneuro.duke.edu | 5.9 |
| iris.duke.edu | 5.4 |
| tip.duke.edu | 5.3 |
| other | 2.29 |
| Subdomain | Reach |
|---|---|
| oit.duke.edu | 34.71% |
| siss.duke.edu | 8% |
| dukehub.duke.edu | 7.68% |
| fuqua.duke.edu | 7.57% |
| sakai.duke.edu | 7.29% |
| cs.duke.edu | 6.47% |
| people.duke.edu | 5.67% |
| law.duke.edu | 4.4% |
| sites.duke.edu | 4.25% |
| library.duke.edu | 4.08% |
| other | 78.39% |
How popular is duke.edu?
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 4870 | 1378 | 170 | -29.34% |
| 30 | 4727 | -245 | 171 | 3% |
| 7 | 4399 | -323 | 180 | 8% |
| 1 | 4197 | 149 | 200 | -3.51% |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 3730 | 1528 | 201 | -41.78% | 4.39 | -17.64% |
| 30 | 3296 | -671 | 225 | 17% | 4.86 | 14% |
| 7 | 2276 | -1365 | 317 | 55% | 6.4 | 44% |
| 1 | 1667 | 4 | 422 | -2.06% | 8.2 | 1% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 4268 | 1413 |
| past month | 3986 | -395 |
| past week | 3460 | -653 |
| yesterday | 3077 | 74 |
Alexa Rank shows how popular duke.edu is in comparison with other sites. The most popular site has Alexa Rank equals 1. If duke.edu 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 duke.edu and pageviews on duke.edu over the past 3 months.
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 duke.edu 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.
"duke.edu" is not a phishing page.
"duke.edu" does not install unwanted software.
"duke.edu" does not contain harmfull applications.
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 duke.edu 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 duke.edu for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the duke.edu. This reputation system receives ratings from users and information from third-party sources, assesses the duke.edu for safety features and confirms, whether duke.edu is suitable for children.
| Domain | duke.edu |
| Issuer Organization | Internet2 |
| Issuer | InCommon RSA Server CA |
| Algorithm | RSA-SHA256 |
| Valid form | 05/29/2018 |
| Expiration | 05/28/2020 |
| Signed | Certificate is not self signed |
| Additional Domains | duke.edu www.duke.edu |
ASN ID: 13371
ASN Title: DUKE-INTERCHANGE - Duke University, US
Last Update: 09/25/2023
#
# 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: 13371
ASName: DUKE-INTERCHANGE
ASHandle: AS13371
RegDate: 2006-10-03
Updated: 2012-03-02
Ref: https://rdap.arin.net/registry/autnum/13371
OrgName: Duke University
OrgId: DUKEUN
Address: 334 Blackwell St.
Address: Suite 2106
City: Durham
StateProv: NC
PostalCode: 27701
Country: US
RegDate: 1991-06-06
Updated: 2011-09-24
Ref: https://rdap.arin.net/registry/entity/DUKEUN
OrgTechHandle: DUH2-ARIN
OrgTechName: Duke University Hostmaster
OrgTechPhone: +1-919-684-2200
OrgTechEmail: datacom-hostmaster@duke.edu
OrgTechRef: https://rdap.arin.net/registry/entity/DUH2-ARIN
OrgAbuseHandle: DUH2-ARIN
OrgAbuseName: Duke University Hostmaster
OrgAbusePhone: +1-919-684-2200
OrgAbuseEmail: datacom-hostmaster@duke.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/DUH2-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.
#
This Registry database contains ONLY .EDU domains.
The data in the EDUCAUSE Whois database is provided
by EDUCAUSE for information purposes in order to
assist in the process of obtaining information about
or related to .edu domain registration records.
The EDUCAUSE Whois database is authoritative for the
.EDU domain.
A Web interface for the .EDU EDUCAUSE Whois Server is
available at: http://whois.educause.edu
By submitting a Whois query, you agree that this information
will not be used to allow, enable, or otherwise support
the transmission of unsolicited commercial advertising or
solicitations via e-mail. The use of electronic processes to
harvest information from this server is generally prohibited
except as reasonably necessary to register or modify .edu
domain names.
-------------------------------------------------------------
Domain Name: DUKE.EDU
Registrant:
Duke University
905 W. Main Street, Suite 18B
Suite 2106
Durham, NC 27701
US
Administrative Contact:
Domain Administrator
Duke University
334 Blackwell St.
Suite 2106
Durham, NC 27701
US
+1.9196845300
datacom-hostmaster@duke.edu
Technical Contact:
Domain Administrator
Duke University
334 Blackwell St.
Suite 2106
Durham, NC 27701
US
+1.9196842200
datacom-hostmaster@duke.edu
Name Servers:
DNS-AUTH-01.OIT.DUKE.EDU
DNS-NC1-01.OIT.DUKE.EDU
DNS-AUTH-02.OIT.DUKE.EDU
Domain record activated: 02-Jun-1986
Domain record last updated: 25-Mar-2021
Domain expires: 31-Jul-2021
| Host | A Record | TTL |
|---|---|---|
| duke.edu | 152.3.72.197 | 300 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| duke.edu | mx.oit.duke.edu | 10 | 21600 |
| Host | NS Record | TTL |
|---|---|---|
| duke.edu | dns-auth-01.oit.duke.edu | 21600 |
| duke.edu | dns-nc1-01.oit.duke.edu | 21600 |
| duke.edu | dns-auth-02.oit.duke.edu | 21600 |
| Host | TXT Record | TTL |
|---|---|---|
| duke.edu | adobe-sign-verification=8c1cf31e238f6042bd9a6e8424ecd7af | 3600 |
| duke.edu | ciscocidomainverification=2d1dd96a4eb257ed827359fa052171ab2c46910868187a2bc9365f496904b651 | 3600 |
| duke.edu | amazonses:kvjwShx2VuYQZKM31gjyJ9z5IWLmFmkF2BSfMHV5j2I= | 3600 |
| duke.edu | 91TR4AEZ87EVJCSEOKTFQJ1KGWHDG7PQ4T52XL7YQ | 3600 |
| duke.edu | MS=ms29427067 | 3600 |
| duke.edu | google-site-verification=VTUhJp3AMqjMfqUIY6tdlBsNKZLr-E_D0oN0Z96EW_E | 3600 |
| duke.edu | webexdomainverification.DW7B=b34c0222-460e-4621-bb5b-7ce6ee15ead2 | 3600 |
| duke.edu | VqIKTw/sDnE4e+9lXPalJqYaTtomECjG0+6XKvd2Nhfkaw8aAfgvcZjlAshHEjspbTHBtw4hhkk5X1ITTvdWxw== | 3600 |
| duke.edu | v=spf1 ip4:152.3.0.0/16 ip4:152.16.0.0/16 ip4:67.159.64.0/18 ip4:139.60.0.211 include:spf.protection.outlook.com ?all | 3600 |
| duke.edu | facebook-domain-verification=z3gz759ai6md22t5oavjekfy06n11r | 3600 |
| duke.edu | adobe-idp-site-verification=76438831-136f-42eb-8467-627bcd13bec6 | 3600 |
| duke.edu | webexdomainverification.DW7A=3d54276f-7c3e-4b36-82cb-f9283bd66232 | 3600 |
dns-auth-01.oit.duke.edu
TTL: 21600
Email address: datacom-hostmaster.duke.edu
Serial: 546015268
Refresh: 1200
Retry: 180
Expire: 1209600
Minimum: 3600
Last tested: 12/02/2019
| Total Resources | 40 |
| Number of Hosts | 6 |
| Static Resources | 36 |
| JavaScript Resources | 4 |
| CSS Resources | 3 |
Last tested: 05/24/2017
| Total Resources | 26 |
| Number of Hosts | 5 |
| Static Resources | 21 |
| JavaScript Resources | 3 |
| CSS Resources | 2 |
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