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Security Scan Report: open.feishu.cn

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Submitted: Completed: publiccompleted

Summary

API
This view is built from:
Scan result: counts, verdicts, details, IPs, technologies, hashes/api/v1/result/82db76a3-78e0-4396-b0cf-d1da1dfe7bb2Domain and IP registration (RDAP)/api/v1/rdap/82db76a3-78e0-4396-b0cf-d1da1dfe7bb2Certificate Transparency/api/v1/ct/open.feishu.cnHow often this domain was scanned/api/v1/domain/stats/open.feishu.cnScan history for this domain/api/v1/domain/history/open.feishu.cn?limit=15
This website contacted 35 IPs in 4 countries across 19 domains to perform 110 HTTP transactions. The main domain is feishu.cn and was registered 19 years ago.

Submitted URL: https://open.feishu.cn

The Cisco Umbrella rank of the primary domain is #39,049 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

Official Feishu Open Platform developer portal on its own long-established domain. Self-branded, no forms, no Indicators of Compromise, YARA, or IDS threat hits. Legitimate.

Safety Factors (5)
Long-established official domain (19 years) belonging to Beijing Feishu Technology Co., Ltd.
Self-branding confirmed: page title/meta match its own domain, no impersonation of another entity
Zero credentials or payment forms on the page
No Indicators of Compromise, YARA, or kit-roster detections
Top-100K Cisco Umbrella ranking and recognised corporate/legal footprint
Domain age information unavailable

Details

Page Title

Feishu Open Platform

Scan Type

public

Domain Name Analysis

Within the Chinese country-code top-level domain (.cn), 'open.feishu.cn' is registered; it also runs on subdomain 'open'. Count 6 characters in 'feishu' split between 3 vowels and 3 consonants. Word splitting yields two words: fei, shu. The median word length lands at three characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://open.feishu.cn

Page Load Overview

6.62s
Total Load Time
29.4 MB
Total Size

Language Analysis

Primary Language

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

Detection Details

HTML Lang Attribute:en-US
Text Length:4,228 chars
Detector Agreement:75%

Website Classification

Primary Category

technology software82% confidence
Type: dynamic
Method: ml+structural

All Detected Categories

technology software
82%
documentation technical
70%
corporate business
55%
social media network
29%
corporate
25%

Detected Features

OG: website

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
8217.198.191.30Frankfurt am Main, Hesse, Germany
AS21859Zenlayer Inc
3163.181.254.187United States
AS24429Zhejiang Taobao Network Co.,Ltd
3163.181.254.186United States
AS24429Zhejiang Taobao Network Co.,Ltd
3163.181.254.188United States
AS24429Zhejiang Taobao Network Co.,Ltd
3163.181.254.181United States
AS24429Zhejiang Taobao Network Co.,Ltd
3163.181.58.174Frankfurt am Main, Hesse, Germany
AS24429Zhejiang Taobao Network Co.,Ltd
3192.178.183.97Google · CDNUnited States
AS15169Google LLC
3163.181.254.184United States
AS24429Zhejiang Taobao Network Co.,Ltd
398.98.132.196Amsterdam, North Holland, Netherlands
AS21859Zenlayer Inc
3139.177.246.206Hong Kong
AS396986Bytedance Inc.
11035--

Detected Technologies5

Open-Graph-Protocolvwebsite
100%
Google-AnalyticsvUniversal
100%
Google Analytics
55%
React
30%
Google Tag Manager
20%

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1D2C38572E945127CE313AAC4D266672131B9950DDE13F660E6ADA3ACCFCEE4EC41F112

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:RZTVlfWgFN2xFUCFEDUpuFt8FG6mvHapD3RDtAD0KDzrfDjXStwnnsjS:RZTHzHES

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:127442:OJEEAGAM0SwDyAQhAUFPYEKC3zAECIAUaIMFQSSIMh2YBgewUJoUEEBigMScUAIAUuNhINOFgyRCiAXQGcpFAJAJQgLCGkok

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:728393ffffffffff
Perceptual Hash:ec6c4d939393d324
Difference Hash:c626269b16233733
Wavelet Hash:000000ffe7ff93f9
Color Hash:#5cac53

Other Hashes

Crop Resistant:c626269b16233733,017db5c941315d67

Scan History

Scan history not available

Unable to load historical scan data