shell:$ nslookup -timeout=2 -retry=1 'buy.theouai.com'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
buy.theouai.com	canonical name = computational-chamber-p8c6jewqdd0jyle1gshudj7z.herokudns.com.
Name:	computational-chamber-p8c6jewqdd0jyle1gshudj7z.herokudns.com
Address: 3.33.148.61
Name:	computational-chamber-p8c6jewqdd0jyle1gshudj7z.herokudns.com
Address: 13.248.144.105
Name:	computational-chamber-p8c6jewqdd0jyle1gshudj7z.herokudns.com
Address: 13.248.241.119
Name:	computational-chamber-p8c6jewqdd0jyle1gshudj7z.herokudns.com
Address: 35.71.131.46