shell:$ nslookup -timeout=2 -retry=1 'sit-mrtr.dtac.co.th'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
sit-mrtr.dtac.co.th	canonical name = d1whzy86q75yb3.cloudfront.net.
Name:	d1whzy86q75yb3.cloudfront.net
Address: 13.225.47.80
Name:	d1whzy86q75yb3.cloudfront.net
Address: 13.225.47.68
Name:	d1whzy86q75yb3.cloudfront.net
Address: 13.225.47.96
Name:	d1whzy86q75yb3.cloudfront.net
Address: 13.225.47.115
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:f600:17:5daa:fbc0:93a1
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:9400:17:5daa:fbc0:93a1
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:c000:17:5daa:fbc0:93a1
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:f400:17:5daa:fbc0:93a1
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:a600:17:5daa:fbc0:93a1
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:ca00:17:5daa:fbc0:93a1
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:6800:17:5daa:fbc0:93a1
Name:	d1whzy86q75yb3.cloudfront.net
Address: 2600:9000:2873:c600:17:5daa:fbc0:93a1