No Security Risks Detected
This domain appears to be safe and secure
100%
Score
Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.
Scan Information
Last checked:May 5, 2026 07:43:11
Target URL:https://english-duolingo.com/
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Page Information
Target URL
https://english-duolingo.com/
Page Title
多邻国英语水平测试
Status
Active
Host Information
Domain
english-duolingo.com
Server
nginx
Country
Hong Kong
IP Address
38.76.205.100
ASN Information
401701
COGNETCLOUD-2
Technologies
Nginx
Web servers
HSTS
Security
SSL Certificate
HTTPS Enabled
Secure
Certificate Issuer
N/A
Valid From
2026-05-04 07:43:16
Valid Until
2027-05-05 07:43:16
Subject Name
english-duolingo.com
Performance Statistics
61
Total Requests
2
Domains
2
IP Addresses
1.02 MB
Transfer Size
Content Size2.62 MB
HTTP Headers
Connection
keep-alive
Content-Encoding
gzip
Content-Type
text/html
Date
Tue, 05 May 2026 07:43:17 GMT
ETag
W/"69f8c7e5-1e086"
Last-Modified
Mon, 04 May 2026 16:23:01 GMT
Server
nginx
Strict-Transport-Security
max-age=31536000
Transfer-Encoding
chunked
Vary
Accept-Encoding
10 headers detected
Technology Stack Analysis
Nginx
Web serversReverse proxies
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
HSTS
Security
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
External Links 47
详细了解
testcenter.zendesk.com
Target URL
https://testcenter.zendesk.com/hc/zh-cn/articles/360052828331
常见问题
testcenter.zendesk.com
Target URL
https://testcenter.zendesk.com/hc/zh-cn/sections/39104552844557-Test-Structure-and-Questions
详细了解
testcenter.zendesk.com
Target URL
https://testcenter.zendesk.com/hc/zh-cn/articles/5568973835405-How-can-I-make-sure-my-test-environment-is-secure
点此处
testcenter.zendesk.com
Target URL
https://testcenter.zendesk.com/hc/en-us/articles/30984205172109-Additional-Details-for-Score-Comparison-Tables
Stanford University Undergraduate Admissions
admission.stanford.edu
Target URL
https://admission.stanford.edu/apply/international/index.html
Massachusetts Institute of Technology (MIT) Undergraduate Admissions
mitadmissions.org
Target URL
https://mitadmissions.org/apply/firstyear/international/
Massachusetts Institute of Technology (MIT) Graduate Admissions
oge.mit.edu
Target URL
https://oge.mit.edu/graduate-admissions/applications/standardized-tests/det/
Harvard University Undergraduate Admissions
college.harvard.edu
Target URL
https://college.harvard.edu/admissions/apply/international-applicants
Harvard T.H. Chan School of Public Health
www.hsph.harvard.edu
Target URL
https://www.hsph.harvard.edu/admissions/admissions/how-to-apply/
Harvard Medical School - Master of Medical Sciences in Clinical Investigation
postgraduateeducation.hms.harvard.edu
Target URL
https://postgraduateeducation.hms.harvard.edu/masters-programs/master-medical-sciences-clinical-investigation
Harvard Medical School - Master of Medical Sciences in Global Health Delivery
ghsm.hms.harvard.edu
Target URL
https://ghsm.hms.harvard.edu/education/master-medical-sciences-global-health-delivery/admissions
Harvard Medical School - Master of Medical Sciences in Medical Education
hms.harvard.edu
Target URL
https://hms.harvard.edu/education-admissions/graduate-education/masters-education-hms/masters-medical-education-program
Harvard Medical School - Master in Clinical Service Operations
postgraduateeducation.hms.harvard.edu
Target URL
https://postgraduateeducation.hms.harvard.edu/masters-programs/master-clinical-service-operations
Harvard Medical School - Biomedical Informatics
dbmi.hms.harvard.edu
Target URL
https://dbmi.hms.harvard.edu/
Harvard Medical School - Master of Medical Sciences in Therapeutic Sciences
hms.harvard.edu
Target URL
https://hms.harvard.edu/education-admissions/masters-degree-programs/master-medical-sciences-therapeutic-sciences/admissions
Harvard Medical School - Master of Science in Media Medicine and Health
ghsm.hms.harvard.edu
Target URL
https://ghsm.hms.harvard.edu/education/master-science-media-medicine-and-health/admissions
Harvard Medical School - Master of Science in Clinical Research
hms.harvard.edu
Target URL
https://hms.harvard.edu/education-admissions/masters-degree-programs/master-science-clinical-research/master-science-clinical-research-admissions
Harvard Medical School - Master of Bioethics
bioethics.hms.harvard.edu
Target URL
https://bioethics.hms.harvard.edu/
Harvard Medical School - Master of Healthcare Quality and Safety
postgraduateeducation.hms.harvard.edu
Target URL
https://postgraduateeducation.hms.harvard.edu/masters-programs/master-healthcare-quality-safety
Harvard Graduate School of Education
www.gse.harvard.edu
Target URL
https://www.gse.harvard.edu/admissions-and-aid/international-applicants
Harvard Medical School - Master of Medical Sciences in Immunology
mmscimmunology.hms.harvard.edu
Target URL
http://mmscimmunology.hms.harvard.edu/
Harvard University - Harvard Business School
www.hbs.edu
Target URL
https://www.hbs.edu/mba/admissions/application-process/Pages/international-applicants.aspx
Harvard Graduate School of Design*
www.gsd.harvard.edu
Target URL
http://www.gsd.harvard.edu/admissions/apply/admissions-faq/
Scholars at Risk Program at Harvard University
harvardscholarsatrisk.harvard.edu
Target URL
https://harvardscholarsatrisk.harvard.edu/
Harvard Extension School
www.extension.harvard.edu
Target URL
https://www.extension.harvard.edu/registration-admissions
Princeton University Undergraduate Admissions
admission.princeton.edu
Target URL
https://admission.princeton.edu/apply/international-students
Princeton University - The Graduate School
gradschool.princeton.edu
Target URL
https://gradschool.princeton.edu/admission-onboarding/prepare/required-tests
California Institute of Technology Undergraduate Admissions
www.admissions.caltech.edu
Target URL
https://www.admissions.caltech.edu/apply/first-yearfreshman-applicants/international-citizens
California Institute of Technology - Graduate Admissions
gradoffice.caltech.edu
Target URL
https://gradoffice.caltech.edu/admissions/checklist
Imperial College London - Undergraduate
www.imperial.ac.uk
Target URL
https://www.imperial.ac.uk/study/pg/apply/requirements/english/
University of California Berkeley
admissions.berkeley.edu
Target URL
https://admissions.berkeley.edu/requirements-for-international-students/
Berkeley International Study Program
bisp.berkeley.edu
Target URL
https://bisp.berkeley.edu/apply
UC Berkeley Visiting Student Programs - Extension/Summer Sessions
extension.berkeley.edu
Target URL
https://extension.berkeley.edu/international/student-services/prospective-students/admissions-requirements/
Yale University
admissions.yale.edu
Target URL
https://admissions.yale.edu/standardized-testing
Yale University School of Art
www.art.yale.edu
Target URL
https://www.art.yale.edu/apply/graduate-admission
Yale School of Management - Master's in Asset Management
som.yale.edu
Target URL
https://som.yale.edu/programs/mms-asset-management/admissions/application-information
Yale University - Jackson School of Global Affairs
jackson.yale.edu
Target URL
https://jackson.yale.edu/admissions/mpp/application-process/testing/
Yale University Summer Session
summer.yale.edu
Target URL
https://summer.yale.edu/apply/visiting-international-students
The University of Chicago
collegeadmissions.uchicago.edu
Target URL
https://collegeadmissions.uchicago.edu/apply/international-applicants/
The University of Chicago - Booth School of Business (Full-Time MBA Program)
www.chicagobooth.edu
Target URL
https://www.chicagobooth.edu/mba/full-time/admissions/international-students
The University of Chicago - Advanced Scholars*
advancedscholars.uchicago.edu
Target URL
https://advancedscholars.uchicago.edu/frequently-asked-questions/
Johns Hopkins University
apply.jhu.edu
Target URL
https://apply.jhu.edu/standardized-test-information/
Johns Hopkins Carey Business School
carey.jhu.edu
Target URL
https://carey.jhu.edu/admissions/international-applicants
Johns Hopkins University - School of Education
education.jhu.edu
Target URL
https://education.jhu.edu/admissions/international-students-admissions/
Johns Hopkins Bloomberg School of Public Health
www.jhsph.edu
Target URL
https://www.jhsph.edu/admissions/international-applicants/
Johns Hopkins University Summer Programs
summerprograms.jhu.edu
Target URL
https://summerprograms.jhu.edu/application-information/
Johns Hopkins Engineering Innovation Pre-College Programs
ei.jhu.edu
Target URL
https://ei.jhu.edu/admissions/
Requested Domains 2
english-duolingo.com
Apex domain
No category information available
englishtest-static.duolingo.cn
Unknown Type
No category information available