shell:$ nslookup -timeout=2 -retry=1 'messages.textfree.us'
Server:		1.1.1.1
Address:	1.1.1.1#53

Non-authoritative answer:
Name:	messages.textfree.us
Address: 18.64.183.77
Name:	messages.textfree.us
Address: 18.64.183.88
Name:	messages.textfree.us
Address: 18.64.183.53
Name:	messages.textfree.us
Address: 18.64.183.61