DNS Propagation

dns

Check DNS record propagation across global resolvers.

Part of Nexabit Network Utilities — free browser tools by Nexabit IT Solutions. Developer API available for automation.

What this tool does

Check DNS record propagation across global resolvers.

Best for

Confirming whether DNS changes have reached resolvers worldwide.

Common use cases

  • Post-migration validation after TTL expiry
  • Detecting stale cache at regional resolvers
  • Cutover go/no-go checks for production domains

How to use DNS Propagation

  1. 1Enter the hostname and record type (A, AAAA, CNAME, MX, TXT).
  2. 2Run the check and compare results across public resolvers.
  3. 3If results differ, wait for TTL expiry or purge CDN/DNS caches as needed.

DNS Propagation

Results

Tip: Results open in Visual mode (tables and cards). Use the JSON tab or Copy/Download to export raw output for tickets and runbooks.

Frequently Asked Questions

DNS Propagation is a free online tool on Nexabit Network Utilities. Check DNS record propagation across global resolvers.

Each resolver caches records based on TTL. Until TTL expires, some locations may still return the old value even after you updated the authoritative zone.

Yes. DNS Propagation is free in your browser on Nexabit Network Utilities with no account required. The Developer API has separate free and paid plans for automation.

DNS Propagation is part of Nexabit Network Utilities, built and maintained by Nexabit IT Solutions.

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dns

Query A, AAAA, MX, TXT, NS, SOA, PTR, and SRV records.

Bulk DNS Lookup

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Look up DNS records for multiple domains from a list or CSV upload.