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Free online tools

Tools for domains, websites and hosting

Check your website and domain, find suitable hosting or receive personal offers from providers.

The right tool for your task

From a quick one-off check to continuous monitoring: choose what you want to learn about your website or domain.

Availability

Website Status Checker

Check whether a website is online, how quickly it responds and how long its SSL certificate remains valid.

Open tool Infrastructure

WHOIS & hosting check

Identify a domain's hosting provider, IP address, nameservers and likely server location.

Open tool DNS & email

DNS check

Check every DNS record of a domain – with MX, SPF, DMARC, CNAME and nameserver checks.

Open tool Continuous monitoring

Website monitoring

Monitor websites and servers around the clock and receive immediate alerts by email, SMS or phone call when something goes down.

Open tool Domain

Domain checker

Check suitable domain names and find out which extensions are available for your project.

Open tool Hosting selection

Web hosting advisor

Answer a few questions about your website, application and requirements to find suitable plans from our hosting comparison.

Open tool Personal service

Hosting tender

Describe your project and receive non-binding, individually matched offers directly from hosting providers.

Start tender
Transparent and direct

Technical answers without detours

Our tools use publicly available domain and network data as well as our own monitoring infrastructure. One-off checks work without signing up; hosttest Plus provides continuous monitoring free of charge.

We have already helped hundreds of thousands of webmasters find the right hosting provider.