Earthlink's broken DNS affecting Tor nodes?

Mon Sep 4 15:26:51 UTC 2006

I'm currently running a Tor node (phrenograph) on an Earthlink DSL  
connection, and they've recently started returning a "help" site's IP  
instead of NXDOMAIN when a DNS lookup is requested for a nonexistent  
site. See [1] for more. Should I be concerned about this change's  
effect on the Tor network, since presumably DNS lookups I do are no  
longer perfect? If it does have a detrimental effect, is there a way  
to block DNS lookups in my exit policy?

/jgt

1. http://slashdot.org/article.pl?sid=06/09/03/1359221
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