sed help - remove a period from a domain name

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# 1  
Old 09-17-2009
sed help - remove a period from a domain name

I have this code that parses the output of a reverse dns lookup to a domain name

nslookup $IP | sed -n 's/.*arpa.*name = \(.*\)/\1/p'

But my ouput is always

Notice the period tacked on to the end. How do I correct this so it is just

Thank you.
# 2  
Old 09-17-2009
nslookup $IP | sed -n 's/.*arpa.*name = \(.*\).$/\1/p'

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