+>X txt=test.ex ${lookup dnsdb{txt=test.ex}{$value}fail}
+>X; txt=test.ex ${lookup dnsdb{txt=test.ex}{$value}fail}
+>X, txt=test.ex ${lookup dnsdb{txt=test.ex}{$value}fail}
+>X, txt=test.ex ${lookup dnsdb{txt=test.ex}{$value}fail}
+txt=long.test.ex ${lookup dnsdb{ txt=long.test.ex}{$value}fail}
+>X txt=long.test.ex ${lookup dnsdb{>X txt=long.test.ex}{$value}fail}
+>X; txt=long.test.ex ${lookup dnsdb{>X; txt=long.test.ex}{$value}fail}
+>X, txt=long.test.ex ${lookup dnsdb{>X, txt=long.test.ex}{$value}fail}
+>X,Z txt=long.test.ex ${lookup dnsdb{>X,Z txt=long.test.ex}{$value}fail}