DNS lookup
A, AAAA, MX, NS, TXT, CNAME, SOA and more, compared across resolvers worldwide.
All products
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Live
QuickResolve
Resolve any domain in a second.
Look up DNS records from 283+ servers worldwide, validate email authentication, check blacklists and audit domain security. Free, with zero logging.
- 283+
- DNS servers
- 4
- tools live
- 0
- logs stored
What you can do
Everything you need to find out why a domain does not behave.
Email check
SPF, DKIM, DMARC, MX, PTR and BIMI in one deliverability report.
Blacklist check
See whether an IP address or domain is listed on major DNSBL providers.
Security audit
Score SSL/TLS, HSTS, DNSSEC, CAA, MTA-STS and email authentication.
Private by design
QuickResolve does not store what you look up and has no tracking scripts or third-party requests. Lookups need no sign-up.