shell:$ nslookup -timeout=2 -retry=1 'filter-pa.portal-universal.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
Name:	filter-pa.portal-universal.com
Address: 54.192.55.51
Name:	filter-pa.portal-universal.com
Address: 54.192.55.120
Name:	filter-pa.portal-universal.com
Address: 54.192.55.89
Name:	filter-pa.portal-universal.com
Address: 54.192.55.69