t.Errorf("upstream dns resolution for %s failed: %v", tt.host, res)
						}
					} else {
						if tt.expectResolutionFailure > 0 && tt.expectResolutionFailure != res.Rcode {
							t.Errorf("expected resolution failure does not match with response code for %s: expected: %v, got: %v",
								tt.host, tt.expectResolutionFailure, res.Rcode)
						}
						if !equalsDNSrecords(res.Answer, tt.expected) {
							t.Log(res)