DNS Propagation Checker
Query a domain's DNS records from resolvers around the world to see whether a recent change has propagated.
DNS Propagation Check
Responding
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No Record
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Errors
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Avg Response
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Global DNS Results
Resolver
Records
TTL
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About this tool
After you change a DNS record it takes time for the update to reach resolvers everywhere. This tool queries a domain's records — A, AAAA, CNAME, MX, TXT, NS and more — against a list of public DNS resolvers in different regions and shows each answer side by side.
When every resolver returns the new value, your change has fully propagated; mismatches mean some networks are still serving cached data. It is the quickest way to confirm that a migration, a new mail setup or a TTL change has gone live worldwide.