shell:$ nslookup -timeout=2 -retry=1 'opacmrc.mbu.ac.th'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
opacmrc.mbu.ac.th	canonical name = site.dimdata.com.
Name:	site.dimdata.com
Address: 104.21.26.106
Name:	site.dimdata.com
Address: 172.67.135.223
Name:	site.dimdata.com
Address: 2606:4700:3035::ac43:87df
Name:	site.dimdata.com
Address: 2606:4700:3034::6815:1a6a