Domain Hosting Checker
Find the hosting provider and nameservers for any domain.
Find the hosting provider and nameservers for any domain.
This free Domain Hosting Checker from KX Toolkit is part of our all-in-one online toolkit. It runs entirely in your browser, so your data never leaves your device for client-side operations. 100% free, forever - no paywall, no credit card, no trial.
How to use the Domain Hosting Checker
- Enter the domain or IP address.
- Pick the record type if the tool supports filtering.
- Run the lookup - most checks return in under a second.
- Copy the records for your DNS migration or audit notes.
What you can do with the Domain Hosting Checker
- Audit DNS before a domain migration.
- Verify SSL certificate expiry and chain.
- Check domain age and history before buying.
- Diagnose email-delivery issues (SPF, DKIM, DMARC).
Why use KX Toolkit's Domain Hosting Checker
- Browser-based: Works on Windows, macOS, Linux, iOS and Android - no install, no extension.
- Privacy-first: Client-side tools never upload your data; server-side tools delete files right after processing.
- Mobile-friendly: Full feature parity on phones and tablets - not a stripped-down view.
- Fast: Optimised for instant feedback. No artificial waiting screens, no email-gated downloads.
- One hub for everything: 300+ tools across SEO, text, image, PDF, code, color, calculators and more - skip switching between sites.
Tips for the best results
DNS changes propagate at different speeds across resolvers - run the same check from Google (8.8.8.8) and Cloudflare (1.1.1.1) before declaring a problem.
Related Domain Tools
If you find this tool useful, explore the full Domain Tools collection or browse our complete tool directory. KX Toolkit is built for marketers, developers, designers, students and anyone who needs a quick utility without signing up for yet another SaaS.
How does the Domain Hosting Checker identify a host?
The tool resolves the domain to its current IP, then checks WHOIS data for the IP's owning organization, the IP range's ASN, and reverse DNS records. It cross-references the result against a database of known hosting providers and CDNs. Together these signals identify the company physically running the servers, which may differ from the registrar that sold the domain or the DNS host answering queries.
Why does the result sometimes show a CDN instead of the real host?
When a site sits behind Cloudflare, Akamai, Fastly, or another CDN, the public IP belongs to that CDN. The actual origin server can live anywhere. To find it, examine email headers, historical DNS records, and unproxied subdomains. The hosting checker is honest about reporting the IP's owner; if that owner is a CDN, it labels the result accordingly so you understand what you are looking at.
What is the difference between a DNS host and a web host?
A DNS host answers queries about your domain, returning records like A, MX, and TXT. A web host runs the servers that actually serve your website. They can be the same provider or completely different companies. The lookup separates the two so you can see, for example, that DNS is at Cloudflare while the website is on AWS. Knowing this distinction is essential during migrations.
Can a domain have multiple hosts at once?
Yes. Different subdomains can point to different providers, and even a single hostname can resolve to several IPs across multiple regions or providers for redundancy. The checker reports everything it finds rather than collapsing the result into a single guess. For complex setups, run the lookup against each important subdomain to see how the infrastructure is distributed.
Is the host information always accurate?
WHOIS data for IP ranges is updated by the regional internet registries and lags real-world ownership occasionally. Reseller networks add another layer, since the IP might belong to a wholesale provider while the customer-facing brand is different. The tool reports its best evidence and links back to the registry data. For mission-critical decisions, cross-check with the brand's own status page or sales contact.
Why are competitor research and host detection useful?
Knowing where competitors host reveals their performance choices, regional strategy, and likely budget tier. Marketers spot which CDN powers a fast competitor, ops teams gauge what stack handles a given scale, and procurement teams reference real-world deployments when negotiating. The hosting checker turns a public IP into actionable intelligence in a few seconds, without requiring access to the target's internal infrastructure.
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