What is DNS?
DNS (Domain Name System) translates human-readable domain names into IP addresses. Our tool shows you all the DNS records associated with a domain — and once you have the address from an A record, you can look up who owns that IP address and where it is hosted.
Common Record Types
A: IPv4 address
MX: Mail servers
NS: Name servers
TXT: Text records (SPF, DMARC)
Email Security
We check for SPF, DMARC, and DKIM records which help prevent email spoofing and improve email deliverability.
Troubleshooting
Use this tool to diagnose DNS issues, verify email setup, check domain configuration, and monitor DNS changes.
Where to look next
DNS records answer where a domain points, which is usually only the first half of an investigation. The A record gives you an IP address but says nothing about who operates it — run that address through the IP address lookup to identify the hosting provider, network owner and approximate location. That single step often explains an unexpected result, because it reveals whether the domain sits on its own server, a shared host or a CDN edge node.
If the question is about the domain rather than the servers behind it, a whois domain lookup returns the registrar, creation and expiry dates and registration status. And when the records look right but visitors still report warnings, check the certificate with the SSL certificate checker — a certificate that does not cover the hostname you just resolved produces browser errors that no amount of DNS troubleshooting will fix.