shell:$ nslookup -timeout=2 -retry=1 'polysign.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	polysign.io
Address: 18.64.183.2
Name:	polysign.io
Address: 18.64.183.122
Name:	polysign.io
Address: 18.64.183.12
Name:	polysign.io
Address: 18.64.183.50