shell:$ nslookup -timeout=2 -retry=1 'mkt.bitly.net'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
mkt.bitly.net	canonical name = s7708.p61.sites.pressdns.com.
s7708.p61.sites.pressdns.com	canonical name = wp61.host.pressdns.com.
Name:	wp61.host.pressdns.com
Address: 54.165.107.117