DNS Lookup & Network Tools

Check DNS records, validate mail configuration, and discover subdomains — instant results, no signup.

Quick:

Tools

Three surface areas, one interface.

DNS Lookup

Query any record type, inspect responses, and compare resolvers.

Mail Diagnostics

Validate your mail stack — MX, SPF, DKIM, and DMARC in one place.

Subdomain Tools

Discover and resolve subdomains with permutation and brute-force helpers.

Jump straight to a specific lookup.

A Record

Resolve a domain to its IPv4 address

MX Records

Find mail servers for any domain

SPF Check

Validate sender policy framework records

DMARC Policy

Check domain-based message authentication

DKIM check

Lookup DKIM TXT at selector default._domainkey

NS Lookup

Find authoritative nameservers

CNAME Lookup

Resolve canonical name aliases

TXT Records

View all TXT records including SPF and DKIM

SOA Record

Check start of authority data

Subdomain finder

Generate labels and batch-resolve DNS

Built for engineers who value speed and accuracy.

Results in milliseconds, powered by a Rust backend.

No signup, no rate walls on basic lookups.

Direct DNS resolution, not cached third-party data.

HTTPS only, no tracking, CSP-hardened.