shell:$ nslookup -timeout=2 -retry=1 'w3c.github.io'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	w3c.github.io
Address: 185.199.109.153
Name:	w3c.github.io
Address: 185.199.110.153
Name:	w3c.github.io
Address: 185.199.108.153
Name:	w3c.github.io
Address: 185.199.111.153
Name:	w3c.github.io
Address: 2606:50c0:8001::153
Name:	w3c.github.io
Address: 2606:50c0:8003::153
Name:	w3c.github.io
Address: 2606:50c0:8000::153
Name:	w3c.github.io
Address: 2606:50c0:8002::153