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

Non-authoritative answer:
oauth.taiwanmobile.com	canonical name = oauth.gslb.taiwanmobile.com.
Name:	oauth.gslb.taiwanmobile.com
Address: 124.29.151.183