Using ns-cloud-a1-4.googledomains.com from Australia it looks like all dns queries are answered in Singapore? Is this by design? Both Azure and AWS will answer queries in sub 30ms.
Pinging ns-cloud-a3.googledomains.com [216.239.36.106] with 32 bytes of data:
Reply from 216.239.36.106: bytes=32 time=153ms TTL=105
Reply from 216.239.36.106: bytes=32 time=152ms TTL=105
Reply from 216.239.36.106: bytes=32 time=153ms TTL=105
Ping statistics for 216.239.36.106:
Packets: Sent = 3, Received = 3, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 152ms, Maximum = 153ms, Average = 152ms