shell:$ nslookup -timeout=2 -retry=1 'tweetdeck.twitter.com'
Server: 75.98.161.224
Address: 75.98.161.224#53
Non-authoritative answer:
tweetdeck.twitter.com canonical name = td.twitter.com.
Name: td.twitter.com
Address: 162.159.140.229
Name: td.twitter.com
Address: 172.66.0.227
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