stackoverflow.com – Developer Q&A community platform – Analysis on Jun 26, 2025
Analysis performed on Jun 26, 2025
This is a comprehensive technical analysis of stackoverflow.com performed on June 26, 2025. The analysis includes DNS configuration, server information, WHOIS data, and HTTP response details.
Purpose and Target: The site explicitly presents itself as "Stack Overflow | The World’s Largest Online Community for Developers." It features "Newest Questions," indicating it serves as a Q&A platform for developers.
Location: The domain is registered and managed through CSC Corporate Domains, Inc. The site is served via Cloudflare servers, using nameservers damian.ns.cloudflare.com and sureena.ns.cloudflare.com.
Tech: Confirmed technologies include jQuery, Bootstrap, React, Vue.js, Angular, Font Awesome for icons, Google Analytics, and Google Tag Manager. The server is Cloudflare.
SEO: There are no meta keywords or meta description tags found on the site. The meta tags present include viewport settings and Open Graph/Twitter cards for social media sharing, but no SEO description.
Security: HTTPS is enabled with HSTS (HTTP Strict Transport Security). However, SSL certificate information returns invalid in the technical data, though no explicit error or security risk is shown in the content.
Content Status: The site contains a substantial amount of content with 69,72 words and 80,618 characters, so it is not under construction.
Accessibility: The site has strong accessibility features including 100% alt text on images, ARIA attributes, skip navigation links, proper heading structure, and well-labeled form inputs.
Summary: Stack Overflow is a developer community Q&A website hosted on Cloudflare, employing multiple modern web technologies, supporting accessibility and secure HTTPS connections, but lacking meta description tags for SEO optimization.
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 domain is configured with nameservers at Cloudflare: damian.ns.cloudflare.com and sureena.ns.cloudflare.com.
The DNS configuration for stackoverflow.com is managed by Cloudflare, with multiple A records pointing to different IP addresses and MX records set for Google mail services. Security implementation is partially in place, as HTTPS is enabled, but the SSL certificate is not valid, indicating potential issues with the SSL configuration. The technology stack includes a variety of frameworks and libraries such as jQuery, Bootstrap, React, and Angular, all hosted on Cloudflare's infrastructure.
DNS Records
A Records
Host
IP Address
TTL
@
172.64.155.249
31
MX Records
Host
Mail Server
Priority
TTL
stackoverflow.com
aspmx.l.google.com
1
300
stackoverflow.com
alt3.aspmx.l.google.com
10
300
stackoverflow.com
alt4.aspmx.l.google.com
10
300
stackoverflow.com
alt1.aspmx.l.google.com
5
300
stackoverflow.com
alt2.aspmx.l.google.com
5
300
NS Records
Host
Target
TTL
stackoverflow.com
damian.ns.cloudflare.com
21600
stackoverflow.com
sureena.ns.cloudflare.com
21600
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
6972 words
Content Analysis
The site contains 6972 words of content. It lacks proper meta tags for SEO.