shell:$ nslookup -timeout=2 -retry=1 'boathouseh2o.force.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
boathouseh2o.force.com	canonical name = usa478.sfdc-lywfpd.force.com.
usa478.sfdc-lywfpd.force.com	canonical name = usa478.sfdc-lywfpd.salesforce.com.
Name:	usa478.sfdc-lywfpd.salesforce.com
Address: 155.226.129.145
Name:	usa478.sfdc-lywfpd.salesforce.com
Address: 155.226.129.146
Name:	usa478.sfdc-lywfpd.salesforce.com
Address: 155.226.129.147