Summary
API
Submitted URL: https://api-b7c536a8.duosecurity.com
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%
Official Cisco Duo site resolving to duo.com; no forms, no credential collection, no threat-intel, hunting rule or phishing IDS hits. Legitimate brand-owned marketing page.
Safety Factors (5)
Details
Page Title
IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo
Scan Type
public
Domain Name Analysis
You're looking at domain 'api-b7c536a8.duosecurity.com' on the commercial generic top-level domain (.com) with subdomain 'api-b7c536a8'. The second-level label 'duosecurity' is 11 characters long holding five vowels versus 6 consonants. Breaking it apart gives two words: duo, security. Expect 5.5 characters per word on average. 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 |
|---|---|---|---|
| 77 | 3.161.82.4Cloudfront · CDN | United States | AS16509Amazon.com, Inc. |
| 2 | 3.145.240.104Aws · 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 | 104.18.86.42Cloudflare · WAF | United States | AS13335Cloudflare, Inc. |
| 2 | 65.9.130.9Cloudfront · CDN | United States | AS16509Amazon.com, Inc. |
| 2 | 104.18.32.137Cloudflare · WAF | United States | AS13335Cloudflare, Inc. |
| 2 | 143.204.181.125Cloudfront · CDN | United States | AS16509Amazon.com, Inc. |
| 2 | 18.173.205.94Cloudfront · CDN | United States | AS16509Amazon.com, Inc. |
| 271 | 98 | - | - |
Detected Technologies24
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
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