Security Analysis Results

www.ycombinator.com

Comprehensive domain security and infrastructure analysis

Live Website Preview

website screenshot of https://www.ycombinator.com/contact

No Security Risks Detected

This domain appears to be safe and secure

100%
Score

Disclaimer: This assessment is based on automated analysis of publicly available information. Results are for informational purposes only. For critical applications, consult security professionals.

Scan Information

Last checked:June 18, 2025 00:26:59
Scan Complete

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Page Information

Target URL
https://www.ycombinator.com/contact
Page Title
Contact | Y Combinator
www.ycombinator.com faviconSite Favicon
Status
Active

Host Information

Domain
www.ycombinator.com
Server
cloudflare
Country
United States
IP Address
104.22.6.236
ASN Information
13335
CLOUDFLARENET

Technologies

Ruby logo
Ruby
Programming languages
Google Maps logo
Google Maps
Maps
Ruby on Rails logo
Ruby on Rails
Web frameworks
RxJS logo
RxJS
JavaScript frameworks
RequireJS logo
RequireJS
JavaScript frameworks
Prototype logo
Prototype
JavaScript frameworks
+6 more technologies detected

SSL Certificate

HTTPS Enabled
Secure
Certificate Issuer
E5
Valid From
2025-05-19 19:46:57
Valid Until
2025-08-17 19:46:56
Subject Name
ycombinator.com

Performance Statistics

284
Total Requests
10
Domains
10
IP Addresses
2.03 MB
Transfer Size
Content Size6.63 MB

HTTP Headers

cache-control
max-age=0, private, must-revalidate
cf-cache-status
DYNAMIC
cf-ray
9516a8b9fda8215a-MAD
content-encoding
gzip
content-security-policy-report-only
script-src 'self' https: https://www.google-analytics.com https://cdn.amplitude.com 'unsafe-eval' 'unsafe-inline' data: 'nonce-wIFG2OkBn/86SXgm2hdRYg=='; worker-src blob: data:; report-uri https://us.sentry.io/api/4506690010480640/security/?sentry_key=aab2498373841041d6b48d721aefbdc1&sentry_environment=production&sentry_release=c0dd24f5fde24f059726b79ca63d16e1847dbc4f
content-type
text/html; charset=utf-8
cross-origin-opener-policy
same-origin
date
Wed, 18 Jun 2025 00:27:08 GMT
etag
W/"5b77b6d2a2a5dcb6c4a8c79425bf9e74"
link
<https://bookface-static.ycombinator.com/vite/assets/ycdc-new-icuAc0bc.js>; rel=modulepreload; as=script; crossorigin=anonymous; nopush,<https://bookface-static.ycombinator.com/vite/assets/Launches-PFeFtpkK.css>; rel=preload; as=style; nopush,<https://bookface-static.ycombinator.com/vite/assets/LaunchesFormPage-DIwtZREJ.css>; rel=preload; as=style; nopush,<https://bookface-static.ycombinator.com/vite/assets/LaunchesIndexPage-Czh_VQfj.css>; rel=preload; as=style; nopush,<https://bookface-static.ycombinator.com/vite/assets/LaunchesPage-CHh592ED.css>; rel=preload; as=style; nopush,<https://bookface-static.ycombinator.com/vite/assets/LaunchesShowPage-r0_GBVMe.css>; rel=preload; as=style; nopush,<https://bookface-static.ycombinator.com/vite/assets/WhyPage-DFDzpL99.css>; rel=preload; as=style; nopush,<https://bookface-static.ycombinator.com/vite/assets/Breadcrumb-Lp92hyVA.css>; rel=preload; as=style; nopush
referrer-policy
strict-origin-when-cross-origin
server
cloudflare
strict-transport-security
max-age=63072000; includeSubDomains
vary
X-Inertia,Accept-Encoding
x-content-type-options
nosniff
x-download-options
noopen
x-frame-options
SAMEORIGIN
x-permitted-cross-domain-policies
none
x-request-id
ad5b9269-74e5-4891-ad05-b0dd870bbbde
x-runtime
0.016335
x-xss-protection
1; mode=block
21 headers detected

Technology Stack Analysis

Ruby

Ruby

Programming languages

Ruby is an open-source object-oriented programming language.

Google Maps

Google Maps

Maps

Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.

Ruby on Rails

Ruby on Rails

Web frameworks

Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.

RxJS

RxJS

JavaScript frameworks

RxJS is a reactive library used to implement reactive programming to deal with async implementation, callbacks, and event-based programs.

RequireJS

RequireJS

JavaScript frameworks

RequireJS is a JavaScript library and file loader which manages the dependencies between JavaScript files and in modular programming.

Prototype

Prototype

JavaScript frameworks

Prototype is a JavaScript Framework that aims to ease development of web applications.

Inertia.js

Inertia.js

JavaScript frameworks

Inertia.js is a protocol for creating monolithic single-page applications.

Lodash

Lodash

JavaScript libraries

Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.

jsDelivr

jsDelivr

CDN

JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.

HSTS

HSTS

Security

HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.

Google Analytics

Google Analytics

Analytics

Google Analytics is a free web analytics service that tracks and reports website traffic.

Cloudflare

Cloudflare

CDN

Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.

Website Cookies 6

_bf_session_key

www.ycombinator.com

HttpOnly Secure Lax
Value
[_bf_session_key redacted]
Expires:Session

_gid

.ycombinator.com

Value
GA1.2.878653201.1750206429
Expires:6/19/2025

XSRF-TOKEN

www.ycombinator.com

Secure Lax
Value
[XSRF-TOKEN redacted]
Expires:Session

_ga_CHJJ1RJL5K

.ycombinator.com

Value
GS2.2.s1750206429$o1$g0$t1750206429$j60$l0$h0
Expires:7/23/2026

_gat

.ycombinator.com

Value
1
Expires:6/18/2025

_ga

.ycombinator.com

Value
GA1.2.470131526.1750206429
Expires:7/23/2026

External Links 12

Startup School

startupschool.org

Analyze
Target URL
https://startupschool.org?utm_source=yc&utm_campaign=ycdc_header

Hacker News

news.ycombinator.com

Analyze
Target URL
https://news.ycombinator.com/

Bookface

bookface.ycombinator.com

Analyze
Target URL
https://bookface.ycombinator.com

TwitterTwitter

twitter.com

Analyze
Target URL
https://twitter.com/ycombinator

Facebook

www.facebook.com

Analyze
Target URL
https://www.facebook.com/YCombinator

YouTube

www.youtube.com

Analyze
Target URL
https://www.youtube.com/channel/UCcefcZRL2oaA_uBNeo5UOWg

Startup School

startupschool.org

Analyze
Target URL
https://startupschool.org

YC Deals

deals.ycombinator.com

Analyze
Target URL
https://deals.ycombinator.com

FacebookFacebook

www.facebook.com

Analyze
Target URL
https://www.facebook.com/YCombinator/

InstagramInstagram

www.instagram.com

Analyze
Target URL
https://www.instagram.com/ycombinator

LinkedInLinkedIn

www.linkedin.com

Analyze
Target URL
https://www.linkedin.com/school/y-combinator/

YoutubeYouTube

www.youtube.com

Analyze
Target URL
https://www.youtube.com/c/ycombinator

Requested Domains 10

bookface-static.ycombinator.com

Unknown Type
No category information available

cdn.jsdelivr.net

Unknown Type
No category information available

maps.googleapis.com

Unknown Type
No category information available

o4506690008121344.ingest.us.sentry.io

Unknown Type
No category information available

region1.analytics.google.com

Unknown Type
No category information available

stats.g.doubleclick.net

Unknown Type
No category information available

www.google-analytics.com

Unknown Type
No category information available

www.google.es

Unknown Type
No category information available

www.googletagmanager.com

Unknown Type
No category information available

www.ycombinator.com

Subdomain
Categories
BusinessBusiness & Economy
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