shell:$ nslookup -timeout=2 -retry=1 'b1sync.zemanta.com'
Server:		127.0.0.53
Address:	127.0.0.53#53

Non-authoritative answer:
b1sync.zemanta.com	canonical name = b1-use1.zemanta.com.
b1-use1.zemanta.com	canonical name = zemanta-nychi2.outbrain.org.
zemanta-nychi2.outbrain.org	canonical name = chidc2.outbrain.org.
Name:	chidc2.outbrain.org
Address: 64.74.236.95