Analysis performed on May 28, 2025
This is a comprehensive technical analysis of stackoverflow.com performed on May 28, 2025. The analysis includes DNS configuration, server information, WHOIS data, and HTTP response details.
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🤖 AI Analysis Summary
1. Purpose and Target: Stack Overflow is a leading online community designed for software developers and programmers. It serves as a Q&A platform where users can post coding questions and receive answers from peers. Its primary audience includes professional developers, hobbyists, and students seeking programming help or knowledge sharing.
2. Location: The domain stackoverflow.com is hosted behind Cloudflare’s infrastructure, which provides CDN services and security. Nameservers listed include damian.ns.cloudflare.com and sureena.ns.cloudflare.com.
3. Tech: The website employs a robust tech stack featuring front-end frameworks and libraries such as React, Vue.js, Angular, and jQuery. It uses Bootstrap for styling, Font Awesome for icons, and integrates Google Analytics and Google Tag Manager for traffic and behavior analysis. The server is Cloudflare, which also aids in performance and security.
4. SEO: Despite having substantial content (over 7,000 words on the analyzed page), the site lacks meta keywords and meta descriptions, which are important for SEO. The title tag "Newest Questions – Stack Overflow" and Open Graph metadata focus on developer-related content and the community aspect. Adding meta descriptions is recommended to enhance SEO.
5. Security: HTTPS is enabled with HTTP Strict Transport Security (HSTS) configured, ensuring secure connections. However, there appears to be an issue with SSL certificate validity or reporting, as SSL info is marked invalid or missing in the analysis. This may be a technical reporting issue rather than an actual security lapse since the site is widely known for security best practices.
6. Summary: Stack Overflow is a globally recognized Q&A platform targeting developers, hosted on Cloudflare with a modern front-end tech stack. It demonstrates excellent accessibility and uses HTTPS with HSTS for security. SEO could be improved by adding meta descriptions. No clear, critical security issues are evident from the provided data.
🌐 Domain Information
The domain stackoverflow.com was registered on December 26, 2003, making it nearly 20 years old. It is currently active with an expiration date set for February 2, 2026, and has a status of "client transfer prohibited." The registrar is CSC Corporate Domains, Inc., and the nameservers configured for this domain are damian.ns.cloudflare.com and sureena.ns.cloudflare.com.
WHOIS Registration Details
| Registrar | CSC Corporate Domains, Inc. |
| Registration Date | 2003-12-26 |
| Expiration Date | 2026-02-02 |
| Name Servers | DAMIAN.NS.CLOUDFLARE.COM SUREENA.NS.CLOUDFLARE.COM |
⚙️ Technical Data
The DNS configuration for stackoverflow.com utilizes Cloudflare for both name server and hosting infrastructure, with multiple A records pointing to distinct IP addresses. Security implementation is partially effective; while HTTPS is enabled and HSTS is active, the SSL certificate is currently invalid. The technology stack includes a variety of frameworks and libraries such as jQuery, React, and Angular, with Cloudflare serving as the underlying server infrastructure.
DNS Records
A Records
| Host | IP Address | TTL |
|---|---|---|
| @ | 172.64.155.249 | 300 |
MX Records
| Host | Mail Server | Priority | TTL |
|---|---|---|---|
| stackoverflow.com | alt4.aspmx.l.google.com | 10 | 300 |
| stackoverflow.com | aspmx.l.google.com | 1 | 300 |
| stackoverflow.com | alt3.aspmx.l.google.com | 10 | 300 |
| stackoverflow.com | alt2.aspmx.l.google.com | 5 | 300 |
| stackoverflow.com | alt1.aspmx.l.google.com | 5 | 300 |
NS Records
| Host | Target | TTL |
|---|---|---|
| stackoverflow.com | damian.ns.cloudflare.com | 80721 |
| stackoverflow.com | sureena.ns.cloudflare.com | 80721 |
SSL & Security
| HTTPS Status | ✅ Enabled |
| HSTS | ✅ Enabled |
| Security Summary | The website uses HTTPS for secure connections. |
Technologies
| Server Software | cloudflare |
| Detected Technologies | jQuery, Bootstrap, React, Vue.js, Angular, Font Awesome, Google Analytics, Google Tag Manager |
| Technology Summary | The website uses technologies including jQuery, Bootstrap, React, Vue.js, Angular, Font Awesome, Google Analytics, Google Tag Manager. Server: cloudflare. |
Content Information
| Content Size | 7008 words |
| Content Analysis | The site contains 7008 words of content. It lacks proper meta tags for SEO. |
Server Information
| IP Address | 172.64.155.249 |
| Country | Canada (CA) |
| Region | Ontario |
| City | Toronto |
| ISP | Cloudflare, Inc. |
HTTP Status Information
| Redirect Chain | |
| Response Time | 0 ms |