Security Scan Report: api-f75d14b9.duosecurity.com

Redirected to:
https://duo.com/
Site favicon
Submitted: Oct 13, 2026, 9:32:53 PMCompleted: Oct 13, 2026, 9:33:58 PMpubliccompleted

This website contacted 103 IPs in 4 countries across 78 domains to perform 290 HTTP transactions. The main domain is duo.com and was registered 21 years ago.

Submitted URL: https://api-f75d14b9.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: 92%

0
Risk Score

Official Cisco Duo site (redirect from a Duo-owned subdomain to duo.com). No forms, no impersonation, no threat-intel, YARA, or exfiltration signals; only informational ipify lookup IDS alerts.

Safety Factors (4)
Final URL is the official Cisco Duo domain (duo.com), matching all page branding and meta tags
Entry hostname (api-f75d14b9.duosecurity.com) is a Duo-owned subdomain with a deterministic/API-style label, redirecting to the corporate parent
Zero forms and no credential or payment collection anywhere on the page
Enterprise identity-security product content consistent with a major vendor's corporate site
Domain age information unavailable

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-f75d14b9.duosecurity.com' on the commercial generic top-level domain (.com); it also runs on subdomain 'api-f75d14b9'. The core label 'duosecurity' covers 11 characters holding five vowels versus 6 consonants. Splitting it apart reveals two words: duo, security. The median word length lands at 5.5 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://api-f75d14b9.duosecurity.com

Page Load Overview

3.45s
Total Load Time
10.6 MB
Total Size

Language Analysis

Primary Language

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

Detection Details

HTML Lang Attribute:en
Text Length:12,691 chars
Detector Agreement:100%

Website Classification

Primary Category

corporate35% confidence
Type: spa
Method: ml+structural

All Detected Categories

corporate
35%
technology software
32%

Detected Features

Search
OG: website
Schema.org

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
863.161.82.27Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
252.32.63.143Aws · CLOUDBoardman, Oregon, United States
AS16509Amazon.com, Inc.
22.23.244.120Akamai · CDNFrankfurt am Main, Hesse, Germany
AS16625Akamai Technologies, Inc.
2146.75.122.132Fastly · CDNFrankfurt am Main, Hesse, Germany
AS54113Fastly, Inc.
272.163.10.12Richardson, Texas, United States
AS109CISCO SYSTEMS, INC.
2104.18.87.42Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
2151.101.130.217Fastly · CDNUnited States
AS54113Fastly, Inc.
2104.18.32.137Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
265.9.130.67Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
2143.204.181.43Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
290103--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1F354616778E1321AE6D38369A6A27A897910980FFD335CDCF15D53784FCDBE24C1260A

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:A71/8dvw6XICmYnpWzic2Jfff3Mdbj8HZF+hXz9JAc4tBt/5Txcsdv+kFGMDhlwb:A725Ghp4tBtx9Ddv+kk6Wt+I6w

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:290564:ABTCFIJaWBIAiABBAhKOAMySKVXECIILwAgIr0B3FAFCZoQXEekAEVwDgYOjUfRIIPMA0AUHqCGoRQkCoTQkABAFggQkHQKQ

These hashes enable detection of similar websites and malware variants by comparing content similarity even when exact matches aren't found.

Image Hashes

Scan History

Scan history not available

Unable to load historical scan data