Free online tools for webmasters
Professional tools for managing your website, domain and hosting
Handy tools for analysing and managing domains, SSL certificates and more. Built by hosting professionals who know what webmasters, network administrators and website owners need.
SSL Certificate Checker
Instantly check the status and validity of any SSL certificate. See the expiry date, the issuer and the technical details of the HTTPS security.
- ✓ Certificate validity check
- ✓ Expiry date warning
- ✓ Certificate chain analysis
Email Health Check
Test the email settings of your domain. Check SPF, DMARC, MX records and blacklist status so your mail arrives.
- ✓ SPF and DMARC check
- ✓ Blacklist check
- ✓ Email score and advice
WHOIS Domain Lookup
Find all public information about a domain name. See the holder, the registrar, the expiry date and the technical contact details.
- ✓ Holder details
- ✓ Registration and expiry dates
- ✓ Name servers
IP address and location tool
Analyse IP addresses and find detailed location information. See the provider, the time zone and the geographic data.
- ✓ Location of an IP address
- ✓ Provider detection
- ✓ Reverse DNS
IMAP email migration
Easily move all your email between mail servers. The folder structure, read status and all other properties are kept.
- ✓ All email is kept
- ✓ Folder structure comes along
- ✓ Secure transfer
DNS Records Checker
View all DNS records of a domain. Check A, MX, TXT, CNAME and other records when troubleshooting.
- ✓ All DNS record types
- ✓ Propagation check
- ✓ TTL information
Website Speed Test
Test the loading speed of your website. Get detailed performance figures and tips to improve it.
- ✓ PageSpeed scores
- ✓ Core Web Vitals
- ✓ Optimisation tips
About these tools
Instant results
No sign-up or complicated steps. Enter your details and you get the information you are looking for straight away.
Privacy guaranteed
We do not store anything you enter. Every request is processed immediately and then forgotten.
Practical and useful
Tools we use ourselves every day to manage servers and websites.
Available everywhere
Works on any device with a browser: desktop, tablet or mobile.
Handy tools for webmasters and administrators
A collection of practical tools we have built over the years, for our own work and for our customers.
From hosting professionals, for everyone
As a hosting company we need quick checks and analyses every day. Whether it is checking an SSL certificate, looking up domain details or analysing an IP address: these tools are part of our daily work.
No fuss, just tools that work
We have kept these tools as simple as possible. No unnecessary sign-up, no hidden agenda, no spam. Enter what you want to check and you get your result straight away.
New additions regularly
We add new tools as soon as we find they are useful. Sometimes because customers ask for them, sometimes because we miss them ourselves. So check back now and then.
Tip for regular users
Bookmark this page. Many customers and colleagues use these tools every day to monitor certificates, check DNS changes or track down email problems.