Security Scan Report: 21co.slack.com

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Submitted: Nov 25, 2025, 3:25:36 PMCompleted: Nov 25, 2025, 3:29:57 PMpubliccompleted
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Summary

This website contacted 18 IPs in 2 countries across 5 domains to perform 25 HTTP transactions. The main domain is 21co.slack.com.

Submitted URL: https://21co.slack.com/

The Cisco Umbrella rank of the primary domain is #1,372 of the top 1 million websitesTop 10K Site

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

Legitimate Slack workspace login page with no security concerns.

Safety Factors
Official brand domain (slack.com) used
High Cisco Umbrella ranking
No credential or payment forms on a newly registered domain
Domain age information unavailable

Details

Page Title

Slack

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

unknown

(0%)

Domain Information

You're looking at domain '21co.slack.com' on the commercial generic top-level domain (.com), featuring subdomain '21co'. Its registrable label 'slack' stretches across 5 characters holding 1 vowel versus 4 consonants. Tokenizing the label suggests 1 word: slack. Average segment length settles at 5 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://21co.slack.com/

Page Load Overview

0.37s
Total Load Time
25
HTTP Requests
5
Domains
573 KB
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-US
Text Length:1,755 chars
Detector Agreement:100%

Website Classification

Primary Category

unknown0% confidence
Type: dynamic
Method: structural

All Detected Categories

No categories detected

Detected Features

Search

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
1199.84.152.123United States
AS16509AMAZON-02
10104.18.86.42United States
AS13335CLOUDFLARENET
1172.64.155.119United States
AS13335CLOUDFLARENET
1104.18.87.42United States
AS13335CLOUDFLARENET
199.84.152.42United States
AS16509AMAZON-02
13.68.175.98Frankfurt am Main, Hesse, Germany
AS16509AMAZON-02
152.29.238.212Frankfurt am Main, Hesse, Germany
AS16509AMAZON-02
199.84.152.46United States
AS16509AMAZON-02
1104.18.32.137United States
AS13335CLOUDFLARENET
13.68.124.95Frankfurt am Main, Hesse, Germany
AS16509AMAZON-02
2518--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1D233B3D5EA0C6C5E45EE02784E572FAAA9D6209AD2C40CC4E68C833513CFF59F325F69

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

768:fkleBWZRUglJSwGXwfQd9iwoz4ntF3Sl4t6yf7DM9yp3gvoyuVHkzilCGU:fkleBWZaJNwS9ibz4nr3Sl4thgvxkU

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:53711:DZt4kEAVgLQmoARmwxsIAiQKSQGMABbQWA23GoyEoUwwBgAIOwUgGKOWQJAFmELAgsFGBAsECAAmzQABqIDMDFAJTMF/EA5I

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:e7e7ffe7e7ffffff
Perceptual Hash:b332cc6627cccccc
Difference Hash:0c0c004d4d00080c
Wavelet Hash:2727272727271f07
Color Hash:#7a1f93

Other Hashes

Crop Resistant:0c0c004d4d00080c

Scan History

Scan history not available

Unable to load historical scan data