Free to use
Free DNS Tools
Paste anything, we pull out the domains and check them all in one batch. Less busywork for you.
Free · up to 2,000 per run, auto-batched · Ctrl/⌘+Enter to run
Tools
DNSBulk DNS LookupCheck A / AAAA / CNAME / MX / TXT / NS for many domains at once. Copy or export to CSV.NSNS CheckFind the nameservers and DNS provider of many domains at once, before and after a migration.GEODNS PropagationCompare answers from many regions and see at a glance whether your change is live.SSLSSL Expiry CheckDays left, issuer and trust status for every certificate in one table.WHOISWHOIS ExpiryRegistrar, expiry date and days left for all your domains in one table.HTTPHTTP Redirect CheckFollow the full redirect chain and confirm the final URL, status and HTTPS.SECDNSSEC CheckSigned and valid? DS matching? When do signatures expire? One table, with suggested fixes.NS⇢DNS ClassifierPaste hundreds of records at once and group them by each domain's current nameservers: 189DNS / Cloudflare / other / unresolved, ready to bulk add on the right platform. Classify, copy and export without signing in.◎Get IPBulk IPv4, IPv6 and CNAME chains↗Bulk URL OpenerPrivate, deduplicated, controlled new tabs
Why use 189DNS tools
Paste anything
URLs, emails, odd punctuation and IDNs are recognized automatically.
Bulk by default
Hundreds or thousands of domains in one table, ready to export.
One-click migration
Found a problem? Move the domains to 189DNS and manage them in one place.
Migrate to 189DNS in one click
Send the domains you just checked straight to the 189DNS console. Zones are created and existing records imported for you, no retyping.