Global Dig tool will send DNS query from multiple region.
The background process of Global Dig is to run dns query from the default DNS server of the underlying infrastructure in AWS.
The actual result from the end-user can be vary depends on the Cloud Vendor, Internet provider, Proxy or user local setup.
This tool can be used for DNS Propagation checking
Global Dig can also be used to check your GeoIP DNS setup.
Global Dig is a free service