Sure you did not enable some DNSBL lists? (dns sinkhole).nslookup googleadservices.comServer: 192.168.1.1Address: 192.168.1.1#53Name: googleadservices.comAddress: 0.0.0.0
Server: 192.168.1.1Address: 192.168.1.1#53Non-authoritative answer:Name: googleadservices.comAddressL 142.251.12.154