Security Scan Report: api-e899eff1.duosecurity.com

Redirected to:
https://duo.com/
Site favicon
Submitted: Sep 17, 2026, 1:54:09 PMCompleted: Sep 17, 2026, 1:55:02 PMpubliccompleted

This website contacted 15 IPs in 3 countries across 32 domains to perform 70 HTTP transactions. The main domain is duo.com and was registered 22 years ago.

Submitted URL: https://api-e899eff1.duosecurity.com

Effective URL:

https://duo.com/
Redirected

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: 88%

0
Risk Score

Redirect from an api-e899eff1.duosecurity.com hostname lands on duo.com, Cisco Duo's own official site. Genuine corporate content, no forms, no Indicators of Compromise, no malware — legitimate.

Safety Factors (5)
Redirect terminates on duo.com, the brand owner's own domain (duosecurity.com -> duo.com)
Zero credential or payment forms on the page
No Indicators of Compromise, YARA malware, IDS phishing/malware, or known malicious kit detected
Content is coherent corporate product documentation consistent with the claimed brand
duo.com ranks within Cisco Umbrella Top 10K
Domain age information unavailable

Details

Page Title

IAM & MFA Identity Security for Business, Humans, AI | Cisco Duo

Scan Type

public

Domain Name Analysis

Within the commercial generic top-level domain (.com), 'api-e899eff1.duosecurity.com' is registered, featuring subdomain 'api-e899eff1'. The registrable portion 'duosecurity' spans 11 characters containing five 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

Security scan screenshot of https://api-e899eff1.duosecurity.com

Page Load Overview

7.99s
Total Load Time
3.7 MB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:80%
Script:Latin
Direction:ltr

Detection Details

HTML Lang Attribute:en
Text Length:11,372 chars
Detector Agreement:100%

Website Classification

Primary Category

corporate70% confidence
Type: spa
Method: structural

All Detected Categories

corporate
70%

Detected Features

Search
OG: website
Schema.org

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
143.161.82.84Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
43.145.240.103Aws · CLOUDColumbus, Ohio, United States
AS16509Amazon.com, Inc.
423.195.249.213Akamai · CDNPrague, Prague, Czech Republic
AS16625Akamai Technologies, Inc.
4146.75.122.132Fastly · CDNFrankfurt am Main, Hesse, Germany
AS54113Fastly, Inc.
42.23.244.120Akamai · CDNFrankfurt am Main, Hesse, Germany
AS16625Akamai Technologies, Inc.
43.161.82.27Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
43.161.82.4Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
43.161.82.78Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
472.163.10.12Richardson, Texas, United States
AS109CISCO SYSTEMS, INC.
4104.18.87.42Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
7015--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T12F6241B3CA205C431B9630B5A6F92289E715914B8D9A7C45B79D002E1FDDEEF063336D

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

384:4A96brx88+YFEBk4/MRvpg4iEsHqYCyql5rJKa5UezAiMg4+ySLc0:4A9S7c/8dvC0

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:15483:AIApgQ4sBSlTAKxYJEDgEAJE4AAIjUSACiCgAImACHAARhUEQTsEnAmECSU8IBFgKWifDI7KQIEAUyoRWgEQJABgEciggCEM

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

Average Hash:ffffffffff818181
Perceptual Hash:b9d26c7bc2392c85
Difference Hash:4915160c0b333333
Wavelet Hash:a4c3c7efef818181
Color Hash:#b6c587

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data