Tool · Network
DNS Lookup.
Resolve any domain to its records — A, AAAA, MX, TXT, CNAME, NS, SOA, CAA. The query goes from your browser to 1.1.1.1 over DNS-over-HTTPS. Nothing routes through this site.
Try
Eight record types,
in plain prose.
- A
- IPv4 address
- AAAA
- IPv6 address
- CNAME
- Alias to another name
- MX
- Mail exchanger
- TXT
- Free-form text records
- NS
- Authoritative nameserver
- SOA
- Start-of-authority
- CAA
- Certificate-authority authorization
Read
further.
- Guide · 9 minDNS, how names resolve.The full walk — from your stub resolver out to the root, with a live simulator and a bit-by-bit message anatomy.
- Tool · NetworkCIDR Calculator.Subnet, broadcast, host count. Pairs with NS-record troubleshooting on private ranges.
- IETF · RFC 8484DNS Queries over HTTPS (DoH).The spec this tool speaks. Cloudflare's application/dns-json profile is documented at developers.cloudflare.com.
- IETF · RFC 1035Domain names — implementation and specification.The 1987 specification that still governs every record type listed above. Short, readable, foundational.
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