DNS Diagnostics
DNS Propagation Checker: Verify DNS Updates Globally
When you update a DNS record, the change takes time to spread to resolvers around the world. Our DNS propagation checker queries servers on multiple continents to show you exactly where your changes have taken effect and where they still resolve to old values.
Launch in Mission ControlWhat It Measures
This tool queries DNS resolvers in multiple geographic regions and reports what IP address or record value each one currently returns for your domain. It shows which regions have the updated record and which still return the old value.
How It Works
- Accepts a domain name and DNS record type (A, AAAA, MX, TXT, CNAME)
- Queries resolvers in North America, Europe, Asia, and other regions
- Reports the resolved value and TTL from each location
- Highlights discrepancies between regions
Why It Matters
After changing hosting providers, updating MX records, or modifying CDN settings, some users may see the old site while others see the new one. Propagation checking tells you exactly which regions are fully updated so you know when the transition is complete.
Understanding Your Results
Most DNS records propagate globally within 1 to 24 hours depending on the TTL (Time to Live) value. Records with a TTL of 300 seconds propagate quickly. Records with a 48-hour TTL may take up to 2 days to fully propagate worldwide.
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Run DNS Propagation Checker Now →Frequently Asked Questions
How long does DNS propagation take?
DNS propagation typically takes 1 to 24 hours for most records. The actual time depends on the TTL set on your previous record. If your old record had a 48-hour TTL, it can take up to 48 hours for all resolvers to flush their cache and fetch the new value.
Can I speed up DNS propagation?
Before making changes, lower your record TTL to 300 seconds (5 minutes) and wait for the original TTL to expire. This minimizes how long old values are cached. After the change propagates, you can raise the TTL back to a higher value like 3600 seconds.
Why do different regions show different DNS results?
Each DNS resolver independently caches records for the duration of their TTL. Resolvers that recently fetched the record will cache the old value until their cache expires. Geographic distance does not determine propagation speed; cache expiry does.
What DNS record types can I check?
You can check A records (IPv4 address), AAAA records (IPv6), MX records (mail servers), CNAME records (aliases), TXT records (SPF, DKIM, domain verification), and NS records (nameservers). Each type propagates independently.
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