blocked cracker, then lame server resolving messages

I used iptables to block someone that was trying to break into ssh every 3 seconds. The address was like, s222-22-222-22.aa.hsia.telus.net. After I blocked it, I started getting 'lame server resolving' messages for about 4 different IP addresses.

I kind of understand what is happening, but I would like an explanation from somebody that understands it more thoroughly.

 

 

 

 

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