Security Scan Report: internal-api-lark-api.feishu.cn.bytedns1.com

Submitted: Dec 8, 2025, 7:33:12 AMCompleted: Dec 8, 2025, 7:38:36 AMpubliccompleted
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Summary

This website contacted 2 IPs in 1 country across 1 domain to perform 3 HTTP transactions. The main domain is internal-api-lark-api.feishu.cn.bytedns1.com and was registered NaN years ago.

Submitted URL: https://internal-api-lark-api.feishu.cn.bytedns1.com/

The Cisco Umbrella rank of the primary domain is #15,072 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

No security concerns detected; site appears legitimate.

Safety Factors
Well‑established domain age
Cisco Umbrella ranking within top 100 k
No malicious Indicators of Compromise
No credential or payment collection fields
Domain age information unavailable

Details

Page Title

internal-api-lark-api.feishu.cn.bytedns1.com

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

cryptocurrency blockchain

(75%)

Domain Information

The domain 'internal-api-lark-api.feishu.cn.bytedns1.com' uses the commercial generic top-level domain (.com), featuring subdomain 'internal-api-lark-api.feishu.cn'. Its registrable label 'bytedns1' stretches across 8 characters containing 1 vowel alongside six consonants; it also includes 1 digit. Segmentation suggests 3 words: byte, dns, 1. Median word length is three characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://internal-api-lark-api.feishu.cn.bytedns1.com/

Page Load Overview

10.56s
Total Load Time
3
HTTP Requests
1
Domains
N/A
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:392 chars
Detector Agreement:100%

Website Classification

Primary Category

cryptocurrency blockchain75% confidence
Type: static
Method: ml+structural

All Detected Categories

cryptocurrency blockchain
75%
government public service
62%
adult content
62%
technology software
62%
news media journalism
60%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
2139.177.246.206Hong Kong
AS396986BYTEDANCE
1101.47.85.10Hong Kong, Hong Kong
AS150436Byteplus Pte. Ltd.
32--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T142048E77329A063986558498F05B43099F20B143F506C9BCB9BCBAD9BFDED06107BB78

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

3072:LfQho9PKBb9Js3q9Jzbs6tlg3SBKwdQWgceIszq2bMy8Old8:0hoC9JSqzzbs6o3Sj3gcrsm2eAq

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:184580:hR0Y1sRMcl4D1JFkLSLpOLEYVRcBKD0lRFUgGUiEAJgAFUpSgCBAGIDBJLERAAcggTkOQjVkHYo6sqyBGOSwDKgtiUoE0DFk

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:ffcfc7c7ffffffff
Perceptual Hash:b333cccccc233333
Difference Hash:00181c1c00000000
Wavelet Hash:3f1f03070f0f0f0f
Color Hash:#40bf80

Other Hashes

Crop Resistant:00181c1c00000000

Scan History

Scan history not available

Unable to load historical scan data