Clear answers start with a good DNS check.
Explore free tools for web, email and DNS records. Pick the check you need, with no account required.
Start with the record you need.
From a quick lookup to a closer look at email routing. The right tool is one click away.
DNS Blacklist Checker
Check whether an IP address is listed on common DNS blocklists before mail delivery suffers.
Open toolMX Record Checker
Verify mail exchangers, priorities, and related email DNS health for a domain.
Open toolA and AAAA Record Checkers
Inspect IPv4 and IPv6 targets before launches, migrations, and DNS changes.
Open toolTXT, SPF and DNSSEC Checks
Review authentication, policy, and trust records that protect domains and email.
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