Sahil Tandon: > OpenDNS will not blindly redirect DNS queries that look like DNSBL > requests. Notice the difference: > > % dig @resolver1.opendns.com www.abcdefghijklmnop12345.com +short > 208.69.32.132 > % dig @resolver1.opendns.com 40.30.20.10.www.abcdefghijklmnop12345.com > +short > %
Note, this still breaks lookups of rfc-ignorant.org and other sites
that blacklist domain names instead of IP addresses.
If you must run an MX host, use a real DNS server.
Wietse
