-some.host in "! +local_domains"?
- list element: ! +local_domains
- some.host in "test.ex"?
- list element: test.ex
- some.host in "test.ex"? no (end of list)
-some.host in "! +local_domains"? yes (end of list)
+some.host in domains?
+ list element: !░+local_domains
+ start sublist local_domains
+ some.host in "test.ex"?
+ ╎list element: test.ex
+ some.host in "test.ex"? no (end of list)
+ end sublist local_domains
+some.host in domains? yes (end of list)