GoScreenAPI
developer-tools

Is Stack Overflow Down?

Check the current status of Stack Overflow (stackoverflow.com) with our real-time uptime checker. Operating in the Developer-tools space, Stack Overflow relies on consistent availability to serve its audience. See the latest response time, HTTP status, and SSL certificate status below.

stackoverflow.com

HTTP Code

Response Time

SSL Certificate

Last Checked

Historical Uptime Statistics

Uptime (7d)

100.00%

Uptime (30d)

100.00%

Total Checks

102

Outages

0

Avg Response

550 ms

vs Category Avg

-29 ms

Outage History (Last 30 Days)

No outages detected in the last 30 days

Response Time (Last 24 Hours)

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About Stack Overflow

Stack Overflow is built on Joomla, served by Cloudflare, delivered through Cloudflare. The site uses an SSL certificate issued by Let's Encrypt. Server response time is approximately 1104ms, which is considered moderate. The front-end stack includes Vue, jQuery, Next.js, Nuxt.js.

DNS Information

A Records (IPv4)

198.252.206.1

Nameservers

damian.ns.cloudflare.com

sureena.ns.cloudflare.com

DNS Provider

Cloudflare

MX Records

aspmx.l.google.com (pri: 1)

alt3.aspmx.l.google.com (pri: 10)

alt4.aspmx.l.google.com (pri: 10)

alt1.aspmx.l.google.com (pri: 5)

alt2.aspmx.l.google.com (pri: 5)

Diagnostic Tools

Test from Multiple Locations


Port Checker

Port Status Response

Frequently Asked Questions

As of our last check, stackoverflow.com is UP and accessible. The server responded in 532ms. Over the last 30 days, Stack Overflow has maintained 100% uptime.
Stack Overflow is a Developer-tools website. Over the past 7 days, it has achieved 100% uptime. No outages have been recorded in the last 30 days.
The average response time for stackoverflow.com over the last 30 days is 550.3ms. This is slower than average and may affect user experience.
If stackoverflow.com is down for you, try these steps: 1) Clear your browser cache and cookies. 2) Try accessing the site from a different device or network. 3) Check if your DNS is resolving correctly. 4) Wait a few minutes and try again — the issue may be temporary. You can also use our multi-location check tool above to verify if the site is down globally or just for your location.
We perform automated uptime checks on stackoverflow.com every 5 minutes, 24 hours a day. This allows us to detect outages quickly and provide accurate uptime statistics. For real-time monitoring with instant alerts, consider signing up for our monitoring service.

Monitor Stack Overflow 24/7 for Free

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