DNS Propagation Check
Monitor DNS record updates on servers worldwide
What is DNS propagation?
DNS record propagation is the process of updating DNS information on servers worldwide after making changes to a domain's DNS zone.
Global system
The DNS system consists of thousands of servers worldwide that cache information for faster access.
Refresh time
DNS changes are not instantaneous. Servers update according to the TTL (Time To Live) value of the records.
Caching
DNS servers and local devices cache records to reduce load and speed up name resolution.
Recursive resolvers
Providers and public DNS services (Google, Cloudflare) have their own resolvers that cache records.
Accessibility issues
While DNS changes propagate, some users may see an old version of the site or access errors.
Monitoring
Regular propagation check helps ensure that changes are applied everywhere.
How does DNS propagation work?
When you make changes to your domain's DNS records, these changes are first saved on the authoritative servers. Then recursive resolvers around the world begin to gradually update their cached information according to the TTL (Time To Live) values of the records. TTL determines how long resolvers should keep the records in cache before requesting updated information. Full propagation of changes can take from a few minutes to 48 hours.