External DNS Diagnostic Tools

Google Admin Toolbox Dig

Google Admin Toolbox Dig is an online way to run dig queries, useful for troubleshooting DNS and checking resolution.

Link: https://toolbox.googleapps.com/apps/dig/

IntoDNS

IntoDNS provides health/config reports and suggestions.

Link: https://intodns.com/

ViewDNS

ViewDNS is a collection of lookup and troubleshooting tools.

Link: https://viewdns.info/

WhatsMyDNS

WhatsMyDNS is a global propagation checker, useful to compare results across locations.

Link: https://www.whatsmydns.net/