shell:$ nslookup -timeout=2 -retry=1 'external.mtnncoveragelocator.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
external.mtnncoveragelocator.com	canonical name = mtn-coverage-locator-vite.web.app.
Name:	mtn-coverage-locator-vite.web.app
Address: 199.36.158.100
Name:	mtn-coverage-locator-vite.web.app
Address: 2620:0:890::100