URL Inspection: https://preview.buildwithfern.com

Open Cached · just now

DOWN

HTTP Status

404

Ping

2 ms

Technologies

12

Technologies Detected

Frameworks (1)

Framework	Next.js Next.js is a React-based web framework that enables server-side rendering, static site generation, and API routes.
Description: Next.js is a React-based web framework that enables server-side rendering, static site generation, and API routes. It provides automatic code splitting, optimized performance, and a great developer experience for building production-ready React applications and websites. View full details
Evidence: • Header X-Nextjs-Prerender: 1 • Header X-Nextjs-Stale-Time: 300 • Header X-Powered-By: Next.js • HTML <script>: https://preview.buildwithfern.com/_next/static/chunks/182k0rp.txbrm.js • HTML <script>: https://preview.buildwithfern.com/_next/static/chunks/0vv5ujjzd~0q5.js ... and 8 more

Infrastructure & Network (4)

DNS Provider	AWS Route53 Amazon Route 53 is a highly available and scalable cloud DNS web service from Amazon Web Services.
Description: Amazon Route 53 is a highly available and scalable cloud DNS web service from Amazon Web Services. It provides reliable domain name resolution, health checking, traffic routing, and integration with other AWS services like EC2, S3, and CloudFront. View full details
Evidence: • DNS Record NS: ns-1258.awsdns-29.org (root domain: buildwithfern.com) • DNS Record NS: ns-1962.awsdns-53.co.uk (root domain: buildwithfern.com) • DNS Record NS: ns-264.awsdns-33.com (root domain: buildwithfern.com) • DNS Record NS: ns-993.awsdns-60.net (root domain: buildwithfern.com)

Email Provider	Google Workspace Google Workspace (formerly G Suite) provides business email hosting using Gmail's infrastructure.
Description: Google Workspace (formerly G Suite) provides business email hosting using Gmail's infrastructure. It offers custom domain email addresses, large storage capacity, advanced spam filtering, and integration with Google's productivity suite. View full details
Evidence: • DNS Record MX: aspmx.l.google.com (root domain: buildwithfern.com) • DNS Record MX: alt1.aspmx.l.google.com (root domain: buildwithfern.com) • DNS Record MX: alt2.aspmx.l.google.com (root domain: buildwithfern.com) • DNS Record MX: alt4.aspmx.l.google.com (root domain: buildwithfern.com) • DNS Record MX: alt3.aspmx.l.google.com (root domain: buildwithfern.com) ... and 1 more

Hosting	Vercel Vercel is a platform for deploying and hosting frontend applications and static websites.
Description: Vercel is a platform for deploying and hosting frontend applications and static websites. It provides continuous deployment from Git, automatic HTTPS, global CDN distribution, serverless functions, and edge computing capabilities for modern web development, with excellent Next.js integration. View full details
Evidence: • Header Server: Vercel • Header X-Vercel-Cache: STALE • Header X-Vercel-Id: iad1::iad1::pxvwt-1774761665753-44f10e6719e7 • CNAME: Reverse DNS: 4356485b6b1162c8.vercel-dns-013.com

Registrar	Amazon Registrar Amazon Registrar is Amazon's domain registration service, integrated with AWS Route 53.
Description: Amazon Registrar is Amazon's domain registration service, integrated with AWS Route 53. It provides domain registration and management services for AWS customers, with seamless integration into Amazon's cloud infrastructure. View full details
Evidence: • WHOIS Registrar: Amazon Registrar, Inc.

Advertising & Payments (1)

Payments	Stripe Stripe is a payment processing platform that helps businesses accept online payments.
Description: Stripe is a payment processing platform that helps businesses accept online payments. It provides payment APIs, subscription billing, marketplace payments, and financial infrastructure for internet businesses of all sizes. View full details
Evidence: • DNS Record TXT: stripe-verification=daf5437703c095af15e1db9f784e9fecc2f5bd49d74979539a81b21647284472 (root domain: buildwithfern.com)

AI & Services (1)

AI	Anthropic Anthropic is an AI safety company that develops AI systems including Claude, a large language model designed to be helpful, harmless, and honest.
Description: Anthropic is an AI safety company that develops AI systems including Claude, a large language model designed to be helpful, harmless, and honest. It provides AI research, development, and API access to advanced AI models for businesses and developers. View full details
Evidence: • DNS Record TXT: anthropic-domain-verification-3qybyc=nwiMxNKQZnN8y4JKdIxk8MW7P (root domain: buildwithfern.com)

SSL & Certificates (1)

Certificate Authority	Let's Encrypt Let's Encrypt is a free, automated, and open certificate authority run by the Internet Security Research Group (ISRG).
Description: Let's Encrypt is a free, automated, and open certificate authority run by the Internet Security Research Group (ISRG). It provides free SSL/TLS certificates to enable encrypted HTTPS on websites, making web security accessible to everyone. It's one of the most widely used certificate authorities globally. View full details
Evidence: • SSL Certificate Issuer: C=US, O=Let's Encrypt, CN=R13

Other (4)

Cloud	AWS AWS (Amazon Web Services) is Amazon's cloud computing platform that provides a wide range of cloud services including computing, storage, databases, networking, analytics, machine learning, and more.
Description: AWS (Amazon Web Services) is Amazon's cloud computing platform that provides a wide range of cloud services including computing, storage, databases, networking, analytics, machine learning, and more. It's one of the leading cloud infrastructure providers globally. View full details
Evidence: • IP 64.239.109.129 → ASN 16509 (Amazon)

Development	Atlassian Atlassian is a software company that provides collaboration and development tools for teams.
Description: Atlassian is a software company that provides collaboration and development tools for teams. Its products include Jira for project management, Confluence for documentation, Bitbucket for code collaboration, and Trello for task management, widely used by software development teams. View full details
Evidence: • DNS Record TXT: atlassian-domain-verification=kblbMYsB2Ed5uNZaWJHzsWhuSKvGaWbIRAU3gFrZO1vYsUrQjD4auRjpYAPN3J1a (root domain: buildwithfern.com)

Development	Fern Fern is a platform for building and maintaining API documentation and SDKs.
Description: Fern is a platform for building and maintaining API documentation and SDKs. It provides tools to generate OpenAPI-based docs, client SDKs, and developer portals from API definitions. View full details
Evidence: • Header Content-Security-Policy (script-src): https://preview.buildwithfern.com • Header Content-Security-Policy (style-src): https://preview.buildwithfern.com • Header Content-Security-Policy (img-src): https://preview.buildwithfern.com • Header Content-Security-Policy (font-src): https://preview.buildwithfern.com • Header Content-Security-Policy (connect-src): https://preview.buildwithfern.com ... and 13 more

Marketplace Software	Amazon Business Amazon Business is a B2B marketplace from Amazon that provides business customers with access to millions of products, business pricing, and procurement tools.
Description: Amazon Business is a B2B marketplace from Amazon that provides business customers with access to millions of products, business pricing, and procurement tools. It offers features like business-only pricing, quantity discounts, and purchase approval workflows for organizations. View full details
Evidence: • DNS Record TXT: amazon-business-verification=b39b018f65ce588ba1a49e82deeae121add7c832c99719118236bcc0f6736d00 (root domain: buildwithfern.com)

Domain Owner Information

View Full WHOIS

Registrar

Amazon Registrar, Inc.

Created

April 22, 2022

3 years 312 days old

Expires

April 22, 2026

1 months 23 days left

SSL/TLS Certificate

View Full SSL Report

Issued By

C=US, O=Let's Encrypt, CN=R13

Security Score

93 /100

Network & Hosting

View DNS Records

64.239.109.129 • AS16509

Amazon

CNAME Record

This domain is an alias for:

4356485b6b1162c8.vercel-dns-013.com

Resources

buildwithfern.com (10 resources)

Scripts (8)

Resource Hints (2)

Inspected on March 29, 2026 at 05:21 UTC