Security Scan Report: captcha-api.yandex.ru

Submitted: Dec 29, 2025, 3:27:47 PMCompleted: Dec 29, 2025, 3:29:02 PMpubliccompleted
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Summary

This website contacted 4 IPs in 1 country across 4 domains to perform 35 HTTP transactions. The main domain is captcha-api.yandex.ru and was registered NaN years ago.

Submitted URL: https://captcha-api.yandex.ru

The Cisco Umbrella rank of the primary domain is #1,853 of the top 1 million websitesTop 10K Site

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

The site appears legitimate with no security concerns.

Safety Factors
Established domain with long registration history
High Cisco Umbrella ranking indicating reputable domain
Absence of malicious Indicators of Compromise
No suspicious forms or data collection
Domain age information unavailable

Details

Page Title

404

Scan Type

public

Language

🇺🇸

English

(57% confidence)

Category

documentation technical

(35%)

Domain Information

Within the Russian country-code top-level domain (.ru), 'captcha-api.yandex.ru' is registered; it also runs on subdomain 'captcha-api'. The registrable portion 'yandex' spans 6 characters holding 2 vowels versus four consonants. Segmentation suggests three words: y, and, ex. Median word length is two characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://captcha-api.yandex.ru

Page Load Overview

10.18s
Total Load Time
8
HTTP Requests
4
Domains
84 KB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:57%
Script:Latin
Direction:ltr

Detection Details

Language Code:en
Detection Confidence:57%
Script Type:Latin
Text Length:1,318 chars
Detector Agreement:100%

Website Classification

Primary Category

documentation technical35% confidence
Type: static
Method: ml+structural

All Detected Categories

documentation technical
35%
technology software
33%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
237.9.64.225Russia
AS13238YANDEX LLC
287.250.251.119Russia
287.250.250.121Russia
AS13238YANDEX LLC
277.88.21.119Russia
AS13238YANDEX LLC
84--

Detected Technologies1

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T18F4174B768D6903606A1E0D4E572BE5DBE46460BD4080929B2FE0ED57FDAF99CC0F508

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

48:jpp2z5f2tdsfcgNJZxiOOFAIcwl7mb8p6L5st2pix:3kfQsfN/PiXB0bdVstMq

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:2017:BAgEAAIAAwBAigEAEAAAgABSAggAAAFAAAA0AAgAAAAAAQEIAEEAEABEAEAAUhgAIAAAYAAAAAAAAEAEAAQAgBABAAQAAAAB

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:1f1fffffffffffff
Perceptual Hash:8707070f07e3e3e3
Difference Hash:e0e0000000000000
Wavelet Hash:7f1f00ff00000000
Color Hash:#2d866e

Other Hashes

Crop Resistant:e0e0000000000000

Scan History

Scan history not available

Unable to load historical scan data