DNS troubleshooting ZUBAER TOOLS / WORKBENCH

DNS Propagation Checker

Compare DNS answers from public resolvers and published nameservers after a change.

Try Live sources
REPORT
Pending lookup
Enter a public domain to get started.
01

Public resolvers

Ready

The result will appear here when you run a lookup.

02

Published nameservers

Ready

The result will appear here when you run a lookup.

Reading the results

How to use DNS Propagation Checker

What should I enter?

Check the exact name and record type that changed. If you moved www.example.com, enter that name instead of example.com. Enter the expected value to highlight matching answers.

Why don’t the answers match?

Some resolvers may still have an old answer in cache. Sites with geographic routing or round-robin DNS can also return different answers intentionally. This comparison samples two public providers from this service, not every country.

Where did the nameservers come from?

The tool looks for the closest zone it can identify, then samples up to two published nameservers directly over IPv4. TTL is shown where it is available.