Free · No login required · Results in seconds

Domain Network Intelligence Exchange

Try:
10+
DNS Record Types
200+
Global Resolvers
100%
Free, No Login
<1s
Avg. Response Time
All Tools
Most used
DNS Diagnostic
Full delegation check — NS, SOA, MX, TXT, CAA with live streaming and health scoring.
Open tool
WHOIS / RDAP
RDAP + raw WHOIS via direct registrar and RIR connections. No third-party APIs.
Open tool
IP Intelligence
ASN, BGP prefix, RIR WHOIS, PTR and abuse contacts via Team Cymru.
Open tool
Email Health
SPF, DMARC, DKIM, MTA-STS, BIMI, PTR and blacklist checks in one report.
Open tool
DNS Propagation
Check propagation across 200+ global resolvers with regional breakdown.
Open tool
DNSSEC Validator
Chain of trust validation: DNSKEY, DS, RRSIG, NSEC/NSEC3 and expiry checks.
Open tool
CT Log Search
Find all SSL/TLS certificates ever issued for a domain via crt.sh.
Open tool
Batch Lookup
Run DNS health checks on up to 20 domains at once and export as CSV.
Open tool
Domain Compare
Side-by-side DNS configuration diff and score comparison for any two domains.
Open tool
REST API
JSON API for all tools with consistent envelope. Authenticate with API keys.
Open tool

Built for professionals

Every tool queries authoritative sources directly — no caching layers or third-party aggregators between you and the truth.

Direct queries
We query authoritative DNS servers and RIR databases directly — no middlemen.
Live streaming
DNS lookups stream results as each resolver responds — no waiting for all.
No sign-up required
Use every tool anonymously. Create an account only if you want saved history.
REST API included
Every tool is available via a consistent JSON API with key-based authentication.