Security Scan Report: api-444cdf66.duosecurity.com

Redirected to:
https://duo.com/
Site favicon
Submitted: Sep 8, 2026, 3:21:26 AMCompleted: Sep 8, 2026, 3:22:15 AMpubliccompleted

Summary

This website contacted 20 IPs in 3 countries across 33 domains to perform 2 HTTP transactions. The main domain is duo.com and was registered 8 years ago.

Submitted URL: https://api-444cdf66.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: 95%

1
Risk Score

The page redirects to the legitimate Cisco Duo site, contains no malicious forms or indicators, and is safe.

Safety Factors
Official brand domain (duo.com) matches meta tags
Well‑established domain age (over 27 years) for the final site
No suspicious forms or credential collection
No malicious IoC or YARA detections
Domain age information unavailable

Details

Page Title

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

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

corporate

(70%)

Domain Information

You're looking at domain 'api-444cdf66.duosecurity.com' on the commercial generic top-level domain (.com); it also runs on subdomain 'api-444cdf66'. The core label 'duosecurity' covers 11 characters holding 5 vowels versus six consonants. Tokenizing the label suggests two 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-444cdf66.duosecurity.com

Page Load Overview

2.71s
Total Load Time
89
HTTP Requests
33
Domains
7.3 MB
Total Size

Language Analysis

Primary Language

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

Detection Details

Language Code:en
Detection Confidence:80%
Script Type:Latin
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
1323.37.196.120London, England, United Kingdom
AS16625Akamai Technologies, Inc.
452.32.63.187Aws · CLOUDBoardman, Oregon, United States
AS16509Amazon.com, Inc.
43.161.82.78Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
4146.75.122.132Fastly · CDNFrankfurt am Main, Hesse, Germany
AS54113Fastly, Inc.
4143.204.181.125Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
4104.18.87.42Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
43.174.46.27Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
465.9.130.50Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
4172.64.155.119Cloudflare · WAFUnited States
AS13335Cloudflare, Inc.
43.161.82.27Cloudfront · CDNUnited States
AS16509Amazon.com, Inc.
8920--

Page Statistics

89
Requests
13
Unique Domains
7.6 MB
Total Size

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:b9d26c6bd2392c85
Difference Hash:4915160c0b333333
Wavelet Hash:a4c3c7efef818181
Color Hash:#bb79d2

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data