shell:$ nslookup -timeout=2 -retry=1 'vn-oc.ruangguru.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
vn-oc.ruangguru.com	canonical name = d1bmcces0j3vlc.cloudfront.net.
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 13.225.196.12
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 13.225.196.54
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 13.225.196.97
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 13.225.196.105
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:3400:1:34bd:6c00:93a1
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:b400:1:34bd:6c00:93a1
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:1400:1:34bd:6c00:93a1
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:7400:1:34bd:6c00:93a1
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:4600:1:34bd:6c00:93a1
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:6800:1:34bd:6c00:93a1
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:1a00:1:34bd:6c00:93a1
Name:	d1bmcces0j3vlc.cloudfront.net
Address: 2600:9000:21a2:5e00:1:34bd:6c00:93a1