> It is definitely something with those resolvers. When I try the host > command you gave me, I get the following error: > Host midpage.ru.dbl.spamhaus.org. not found: 3(NXDOMAIN) > I am contacting the DC now and will hopefully have no further need for > assistance on this mailing list :)
See also: http://www.spamhaus.org/faq/answers.lasso?section=DNSBL%20Usage#220 It's quite likely your large DNS resolving service provider is not paying for a commercial license to SpamHaus for the benefit of all its users. Mark