DNS Lookup

Look up DNS records (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA and more) for any domain, or the reverse DNS of an IP — via DNS-over-HTTPS.

Runs locally in your browser
Resolver

Enter a domain like no.tools, a URL or an e-mail address. For e-mail checks, try _dmarc.example.com (TXT).

The query is sent directly from your browser to the selected DNS-over-HTTPS resolver (Cloudflare 1.1.1.1 or Google 8.8.8.8).

More Network tools

What Is My IP?Shows your public IP address (IPv4 or IPv6), your internet provider and the approximate location derived from it — plus what your browser reveals about you.IP Subnet CalculatorCalculate network, broadcast, netmask, wildcard and host range of an IPv4 subnet in CIDR notation, and split it into smaller subnets.

Free online tools — fast, private, no sign-up.

All tools run in your browser. No data is uploaded.

ImprintPrivacy© 2026 no.tools