Free DNS tools

DNS record tools for operators who need fast answers.

Check DNS records, email routing, blacklist status, DNSSEC, certificate authority records, and service discovery records without logging into a control panel first.

Check MX records Check DNSSEC

DNS Blacklist Checker

Check whether an IP address is listed on common DNS blocklists before mail delivery suffers.

MX Record Checker

Verify mail exchangers, priorities, and related email DNS health for a domain.

A and AAAA Record Checkers

Inspect IPv4 and IPv6 targets before launches, migrations, and DNS changes.

TXT, SPF and DNSSEC Checks

Review authentication, policy, and trust records that protect domains and email.

DNS record library

Open the exact checker you need.

These tools support day-to-day troubleshooting, pre-migration checks, launch reviews, and portfolio hygiene work.

A AAAA MX TXT SPF CNAME CAA NS DNSSEC SRV DNAME SSHFP TLSA PTR SOA NAPTR

Before a launch

Check A, AAAA, CNAME, CAA, MX, TXT, and DNSSEC records before traffic or mail depends on them.

Before a transfer

Compare current DNS answers with intended records so domain transfers do not create silent outages.

During an incident

Use direct DNS record checks to separate resolver, authoritative, mail, and certificate issues quickly.