shell:$ nslookup -timeout=2 -retry=1 'filter.ncnd.dtac.co.th'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
filter.ncnd.dtac.co.th	canonical name = dtac.filter.ncnd.services.
dtac.filter.ncnd.services	canonical name = dtac.ncnd.services.
Name:	dtac.ncnd.services
Address: 13.228.205.225
Name:	dtac.ncnd.services
Address: 13.251.96.5
Name:	dtac.ncnd.services
Address: 18.141.129.227
Name:	dtac.ncnd.services
Address: 18.140.172.70