Check If Only 1 Domain

and(

  contains(outputs(‘Gets_Domain_and_Last_Word’), ‘.’),

  not(contains(outputs(‘Gets_Domain_and_Last_Word’), ‘..’)),

  not(endsWith(outputs(‘Gets_Domain_and_Last_Word’), ‘.’)),

  equals(length(split(outputs(‘Gets_Domain_and_Last_Word’), ‘.’)), 2)

)