Security Scan Report: rebound.postmarkapp.com

Redirected to: https://postmarkapp.com/rebound

Submitted: Jan 21, 2026, 7:47:31 AMCompleted: Jan 21, 2026, 7:49:08 AMpubliccompleted
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Summary

This website contacted 6 IPs in 4 countries across 6 domains to perform 34 HTTP transactions. The main domain is postmarkapp.com and was registered NaN years ago.

Submitted URL: https://rebound.postmarkapp.com

Effective URL: https://postmarkapp.com/reboundRedirected

The Cisco Umbrella rank of the primary domain is #157,046 of the top 1 million websites

AI Security Verdict

Safe Website

Confidence: 95%

0
Risk Score

Legitimate Postmark page with no security concerns.

Safety Factors
Well‑established domain
Official brand domain
No forms collecting sensitive data
No malicious Indicators of Compromise
Domain age information unavailable

Details

Page Title

Rebound for Postmark - Notify your customers about bounced emails

Scan Type

public

Language

🇺🇸

English

(80% confidence)

Category

technology software

(50%)

Domain Information

The domain name 'rebound.postmarkapp.com' uses the commercial generic top-level domain (.com) and includes subdomain 'rebound'. Count 11 characters in 'postmarkapp' split between three vowels and eight consonants. Segmentation suggests 2 words: postmark, app. Average segment length settles at 5.5 characters. No strong language cues emerged from the frequency lists.

Screenshot

Security scan screenshot of https://rebound.postmarkapp.com

Page Load Overview

5.99s
Total Load Time
92
HTTP Requests
42
Domains
1.1 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:3,534 chars
Detector Agreement:100%

Website Classification

Primary Category

technology software50% confidence
Type: spa
Method: ml+structural

All Detected Categories

technology software
50%
documentation technical
39%
government public service
36%
corporate
35%

Detected Features

OG: website
Schema.org

Domain & IP Information

RequestsIP AddressLocationAS Autonomous System
1735.190.88.7United States
AS396982GOOGLE-CLOUD-PLATFORM
15188.114.96.3United States
AS13335CLOUDFLARENET
153.151.241.224Ireland
1594.247.142.1United Kingdom
AS209242Cloudflare London, LLC
15142.250.184.200United States
AS15169GOOGLE
15169.150.247.36Frankfurt am Main, Hesse, Germany
AS60068Datacamp Limited
926--

Content Similarity HashesFor malware variant detection

TLSH (Trend Micro Locality Sensitive Hash)

Security-focused

Specialized for malware detection and similarity analysis

T10123BDE39DF12022029381C766F9BB65EDD2125BE6E0A842B2ED47688FD5C537513E3C

ssdeep (Context Triggered Piecewise Hashing)

Context-aware

Detects similar content even with modifications

384:OmM3x+1dxds1uugxarqm0rarqmSdadIdOdAudwdzZdBd8bId5dGrzdbd1HFGer/B:Oxxuugdm0jmp9r/x0DsIdub8A

sdhash (Similarity Digest Hashing)

High-precision

High-precision similarity detection for forensic analysis

sdhash:3:49983:GQZowZbI8SaoiBBCILFZFMCrTQVDBCEoYo9pCqUjhiRHMrmQAE0EGIGEXNEAAziEAQOgIhKQQxGEtIE1gYF8NFUphMBisygj

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:00c300253d3cffff
Perceptual Hash:bf231d0937231f25
Difference Hash:2b238e4dab2be11e
Wavelet Hash:00800121f9f9ffff
Color Hash:#6d3a78

Other Hashes

Scan History

Scan history not available

Unable to load historical scan data