Summary
API
This website contacted 97 IPs in 5 countries across 78 domains to perform 287 HTTP transactions. The main domain is duo.com and was registered 21 years ago.
Submitted URL: https://api-d49cb206.duosecurity.com
Effective URL:
The Cisco Umbrella rank of the primary domain is #1,195 of the top 1 million websitesTop 10K Site
AI Security Verdict
Safe Website
Confidence: 92%
Cross-domain redirect from duosecurity.com lands on duo.com, Cisco Duo's official site. No forms, no threat-intel or malware hits; the IDS alerts are routine IP-lookup traffic. Legitimate corporate page.
Safety Factors (4)
Details
Page Title
IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo
Scan Type
public
Domain Name Analysis
The domain 'api-d49cb206.duosecurity.com' uses the commercial generic top-level domain (.com) with subdomain 'api-d49cb206'. Its registrable label 'duosecurity' stretches across 11 characters containing 5 vowels alongside six consonants. Splitting it apart reveals 2 words: duo, security. Median word length is 5.5 characters. No strong language cues emerged from the frequency lists.
Screenshot

Page Load Overview
Language Analysis
Primary Language
Detection Details
Website Classification
Primary Category
All Detected Categories
Detected Features
Domain & IP Information
| Requests | IP Address | Location | AS Autonomous System |
|---|---|---|---|
| 95 | 3.161.82.84Cloudfront · CDN | United States | AS16509Amazon.com, Inc. |
| 2 | 3.145.240.68Aws · CLOUD | Columbus, Ohio, United States | AS16509Amazon.com, Inc. |
| 2 | 2.23.244.120Akamai · CDN | Frankfurt am Main, Hesse, Germany | AS16625Akamai Technologies, Inc. |
| 2 | 146.75.122.132Fastly · CDN | Frankfurt am Main, Hesse, Germany | AS54113Fastly, Inc. |
| 2 | 72.163.10.12 | Richardson, Texas, United States | AS109CISCO SYSTEMS, INC. |
| 2 | 104.18.87.42Cloudflare · WAF | United States | AS13335Cloudflare, Inc. |
| 2 | 151.101.66.217Fastly · CDN | United States | AS54113Fastly, Inc. |
| 2 | 104.18.32.137Cloudflare · WAF | United States | AS13335Cloudflare, Inc. |
| 2 | 65.9.130.38Cloudfront · CDN | United States | AS16509Amazon.com, Inc. |
| 2 | 143.204.181.67Cloudfront · CDN | United States | AS16509Amazon.com, Inc. |
| 287 | 97 | - | - |
Detected Technologies21
Content Similarity HashesFor malware variant detection
TLSH (Trend Micro Locality Sensitive Hash)
Specialized for malware detection and similarity analysis
ssdeep (Context Triggered Piecewise Hashing)
Detects similar content even with modifications
sdhash (Similarity Digest Hashing)
High-precisionHigh-precision similarity detection for forensic analysis
These hashes enable detection of similar websites and malware variants by comparing content similarity even when exact matches aren't found.
Image Hashes
Perceptual Hashes
Other Hashes
Scan History
Scan history not available
Unable to load historical scan data