12: warning: Leading/Trailing whitespace: ' a.example.com'
13: warning: Leading/Trailing whitespace: 'b.example.com '
14: warning: Leading/Trailing whitespace: '\tc.example.com'
15: warning: Leading/Trailing whitespace: 'd.example.com\t'
17: warning: Leading/Trailing whitespace: '  '
19: warning: No PRIVATE section found