Security Scan Report: crt.sh

Submitted: Mar 19, 2026, 9:26:40 PMCompleted: Mar 19, 2026, 9:27:51 PMpubliccompleted
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Summary

This website contacted 3 IPs in 1 country across 3 domains to perform 7 HTTP transactions. The main domain is crt.sh and was registered NaN years ago.

Submitted URL: https://crt.sh

The Cisco Umbrella rank of the primary domain is #567,088 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 96%

0
Risk Score

crt.sh is a legitimate certificate transparency search service with no detected security threats.

Safety Factors
Established domain (>10 years)
Standard search form only
No suspicious redirects or hidden fields
No malicious Indicators of Compromise
Domain age information unavailable

Details

Page Title

crt.sh | Certificate Search

Scan Type

public

Language

🇺🇸

English

(66% confidence)

Category

cryptocurrency blockchain

(70%)

Domain Information

The domain 'crt.sh' uses the .sh country-code top-level domain with no subdomain. The core label 'crt' covers 3 characters holding zero vowels versus 3 consonants. Segmentation suggests one word: crt. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://crt.sh

Page Load Overview

1.20s
Total Load Time
7
HTTP Requests
3
Domains
122 KB
Total Size

Language Analysis

Primary Language

🇺🇸English
Code: en
Confidence:66%
Script:Latin
Direction:ltr

Detection Details

Language Code:en
Detection Confidence:66%
Script Type:Latin
Text Length:234 chars
Detector Agreement:100%

Website Classification

Primary Category

cryptocurrency blockchain70% confidence
Type: static
Method: ml+structural

All Detected Categories

cryptocurrency blockchain
70%
technology software
62%
documentation technical
34%
government public service
28%
corporate business
26%

Detected Features

Search

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
3142.250.187.195United Kingdom
291.199.212.73United Kingdom
AS48447Sectigo Limited
2142.251.208.170United KingdomUnknown
73--

Detected Technologies1

40%

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T139819642ECE30507662390BCF26BE7907769E053A456CDA87F9C7254DFC59A0A9B338C

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

96:Y1uvZBjvm/VOlrLXqARpkaAjJUhYRMLHLAiu7OsM2QEoAkrlpIXJ:U4ZBju/VOFLXJRp5AjJ2YaLHLAiu7pMc

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:4178:kAUAAAAIBAUQAkCBNGiQAAAAgAAAAGBQAAICEQhEAQiEABBGSEADIABIIcKAEJBACggYQABAQAASEAAAGIkKIASCgjqQAAEg

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:e7e7e7efffffffff
Perceptual Hash:b333333199333333
Difference Hash:0c0c080800000000
Wavelet Hash:240000180f0f0f0f
Color Hash:#ce79d2

Other Hashes

Crop Resistant:0c0c080800000000

Scan History

Scan history not available

Unable to load historical scan data