DNS Propagation Checker
Watch a DNS change roll out across public resolvers and countries, with an expected-value progress bar.
Help shape DNS Propagation Checker
The bug you just noticed will fade in 3 minutes. The feature idea will vanish after your next tab switch. Crazy peps don't suffer silently.
Frequently Asked Questions
Usually minutes to a few hours: each resolver keeps the old answer until its TTL runs out. Lower the TTL a day before a planned change to speed it up.
They ask Google Public DNS with an EDNS Client Subnet hint for that country, so GeoDNS and CDNs return what users there would get.
CDNs and load balancers answer differently per region on purpose. If you just changed the record, it can also mean some caches haven't expired yet.
Yes. Enter the expected value and turn on auto-refresh — the bar fills as more locations see it.
No. Queries go straight from your browser to public resolvers (Cloudflare, Google, AliDNS) and RDAP registries. We never see or store them.
No. Queries go straight from your browser to public resolvers (Cloudflare, Google, AliDNS) and RDAP registries. We never see or store them.