shell:$ nslookup -timeout=2 -retry=1 'www.nih.gov'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
www.nih.gov	canonical name = www.nih.gov.edgekey.net.
www.nih.gov.edgekey.net	canonical name = e87351.dscb.akamaiedge.net.
Name:	e87351.dscb.akamaiedge.net
Address: 23.199.54.231
Name:	e87351.dscb.akamaiedge.net
Address: 23.199.54.234
Name:	e87351.dscb.akamaiedge.net
Address: 2600:1405:d400:9::17c7:36e7
Name:	e87351.dscb.akamaiedge.net
Address: 2600:1405:d400:9::17c7:36ea