Domain & Website SEO Tools
DNS Records Lookup
View A, AAAA, MX, NS, TXT, CNAME and SOA records for any domain.
- Free to use
- No sign-up
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About this tool
Check how a web address is configured at the DNS level: where its website is hosted, which servers receive its email, and which verification entries it publishes.
How to use it
- Enter a hostname such as
example.com. - Run the lookup.
- Browse the results by record type.
The record types you will see
- A / AAAA – the IPv4 and IPv6 addresses of the web server.
- MX – mail servers and their priority.
- CNAME – aliases, often used for www or CDN setups.
- TXT – SPF, DKIM, DMARC and ownership verification strings.
- NS – the nameservers that hold the zone.
Typical checks
- Confirming a site points to the new host after a migration
- Making sure email will still be delivered after changing provider
- Verifying that a Google, Microsoft or Facebook ownership string has been published
- Spotting a missing SPF or DMARC entry that hurts email deliverability
Why results can lag
Resolvers cache answers for the TTL set on each record, so changes can take minutes to a day to appear everywhere. A missing type may simply mean it was never configured.
A worked example
A business switches email to a new provider, but messages bounce for some senders. The lookup shows two MX entries: the new provider and an old one with a higher priority. Removing the outdated entry fixes delivery within an hour.
Typical setups explained
- Website on a host: an A record for the root and a CNAME for www.
- Website behind a CDN: records pointing to the CDN, which forwards to your server.
- Google Workspace or Microsoft 365: MX entries supplied by the provider plus SPF, DKIM and DMARC TXT entries.
Common mistakes
- Two SPF entries instead of one combined record.
- Leftover MX entries from a previous provider.
- A CNAME on the root name, which many providers do not allow.
- Typos in verification strings copied from setup instructions.
Making changes safely
Copy your existing records before editing, change one thing at a time and wait for the TTL to pass before testing again.
Related tools
- DNS Lookup – another view of the same records
- Email Header Analyzer – check authentication results
- Blacklist Lookup – check mail reputation
Step by step: verifying a new domain with Google
- Copy the TXT value that Google Search Console gives you.
- Add it as a TXT record at your DNS provider, usually on the root (@).
- Wait a few minutes, then run this lookup.
- When the value appears in the TXT results, click Verify in Search Console.
Glossary
- Zone – the full set of records for a name.
- @ – shorthand for the root name itself.
- Propagation – the time it takes caches around the world to pick up a change.