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Who hosts stackoverflow.com?

stackoverflow.com's homepage is behind Cloudflare. Visitors connect to Cloudflare's network, which fetches pages from the origin server, so that server's address and hosting company aren't publicly visible.

Origin
Behind Cloudflare (origin hidden)
CDN / proxy
Cloudflare
DNS hosted at
Cloudflare
damian.ns.cloudflare.com, sureena.ns.cloudflare.com
Platform
Not identified
IP network
AS13335
CLOUDFLARENET - Cloudflare, Inc., US
Re-check stackoverflow.com liveCheck another site

What the public signals show

DNS for stackoverflow.com is managed at Cloudflare (nameservers damian.ns.cloudflare.com and sureena.ns.cloudflare.com).

Evidence

  • The IP is a Cloudflare edge — it sits in front of the real server and hides its address

Questions about stackoverflow.com

Who hosts stackoverflow.com?

stackoverflow.com's homepage is behind Cloudflare.

Is stackoverflow.com on Cloudflare?

Yes — stackoverflow.com's responses come through Cloudflare's network.

Where is stackoverflow.com's DNS hosted?

At Cloudflare, based on the domain's NS records.

Checked 2026-10-01from public DNS records, IP network registrations (via Team Cymru's ASN data) and the site's HTTP response headers. Hosting can change at any time — use the live re-check for the current answer. stackoverflow.com is a trademark of its owner; this page is not affiliated with or endorsed by them.

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