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Security Scan Report: cfa.harvard.edu

Redirected to:
https://www.cfa.harvard.edu/
Submitted: Apr 2, 2026, 12:24:46 AMCompleted: Apr 2, 2026, 12:26:20 AMpubliccompleted
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Summary

This website contacted 7 IPs in 1 country across 7 domains to perform 72 HTTP transactions. The main domain is cfa.harvard.edu and was registered NaN years ago.

Submitted URL: https://cfa.harvard.edu

Effective URL: https://www.cfa.harvard.edu/Redirected

The Cisco Umbrella rank of the primary domain is #23,419 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 98%

0
Risk Score

Legitimate Center for Astrophysics site; no security concerns detected.

Safety Factors
Established academic institution (Harvard & Smithsonian)
Standard hosting with no suspicious redirects
Cross‑origin form points to legitimate Mailchimp subscription service
Use of common analytics and CDN domains (Google Analytics, Cloudflare)
Domain age information unavailable

Details

Page Title

Home | Center for Astrophysics | Harvard & Smithsonian

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

education

(45%)

Domain Information

The domain 'cfa.harvard.edu' uses the sponsored educational top-level domain (.edu); it also runs on subdomain 'cfa'. Its registrable label 'harvard' stretches across 7 characters split between two vowels and five consonants. Tokenizing the label suggests 1 word: harvard. Expect 7 characters per word on average. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://cfa.harvard.edu

Page Load Overview

4.82s
Total Load Time
67
HTTP Requests
8
Domains
13.4 MB
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:5,130 chars
Detector Agreement:100%

Website Classification

Primary Category

education45% confidence
Type: webapp
Method: ml+structural

All Detected Categories

education
45%
education learning
38%
phishing/scam
20%

Detected Features

No structural features detected

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
13172.66.146.217United States
AS13335Cloudflare, Inc.
9104.20.19.56United States
AS13335Cloudflare, Inc.
9142.251.127.97United States
AS15169Google LLC
9104.26.3.3United States
AS13335Cloudflare, Inc.
9104.16.79.73United StatesUnknown
9172.66.165.88United States
AS13335Cloudflare, Inc.
9104.20.35.80United States
AS13335Cloudflare, Inc.
677--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T1AB93F86296B4113E42078692EE33A369BB0FD46BB70B02E071AD97B45FD3DE5CD03529

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

1536:8hU/7xrmelZFkc6ZclNGz98IQVI6BIKpsKRBZeLosHDVLLeHG2J0Pji589uEQ2MC:YU/trmelZic4crBZeTDVWHG2J0PixEiK

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:90827:JiAc4SgEIRxRAqoEIs2GJhdyIuCo6QkqgBAJAAKEKCIBkw4QAVIgSJEIZAMKAR3IhofBSBCLBExiOIlRSM46oghQAUyQREUg

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:b030703c3c0c0c04
Perceptual Hash:8acf6c9b8cb23938
Difference Hash:61e1c160797979fd
Wavelet Hash:b878783e3c0d0f0f
Color Hash:#d28579

Other Hashes

Crop Resistant:cbcbe0c9c8c0c8c7,f8f8f0f0f0f0c0e0,80e0e0f0f0f0f8fc,61e1c160787979fc

Scan History

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