Free · Browser-only · No signup

Domain Hosting Checker

Identify which hosting provider serves any domain. Combines DNS A-record lookup + IP geolocation + ASN inspection + nameserver query. Detects AWS, Cloudflare, GCP, Azure, Hetzner, OVH, DigitalOcean, etc.

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Combines DNS A-record lookup + IP reverse-lookup (via ipapi.co) + nameserver query. Identifies AWS, Cloudflare, Google Cloud, Azure, Hetzner, OVH and others by ASN. Nameservers often reveal additional info (e.g. cloudflare.com nameservers = behind Cloudflare CDN).

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Inside the tool

What powers the Domain Hosting Checker

DNS A-record lookup

IP geolocation + ORG

ASN detection

Nameserver list

Built differently

Why the Domain Hosting Checker is different

Browser-native

The Domain Hosting Checker runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.

No artificial limits

No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.

Production-grade quality

Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.

Use Contexts

Common use contexts

Competitor hosting research
Verifying own hosting
Identifying Cloudflare / CDN
Pre-migration provider research

Privacy by design

Private and secure

Zero upload

All processing happens in your browser. Input is never transmitted, logged or cached.

Works offline

Once the page loads, the tool runs without an internet connection. No network calls happen during use.

No tracking

No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.

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FAQ