It has nothing to do with FR's server. It'll spit out whatever is proper HTML.
It's up to the user to have the glyphs installed, unknown character will show up as high lighted question marks.
The Textus Receptus translation of Mark 7:31 is:
και παλιν εξελθων εκ των οριων τυρου και σιδωνος ηλθεν προς την θαλασσαν της γαλιλαιας ανα μεσον των οριων δεκαπολεως
και παλιν εξελθων εκ των οριων τυρου και σιδωνος ηλθεν προς την θαλασσαν της γαλιλαιας ανα μεσον των ορι μων δεκαπολεως
???
(It's all Greek to me!)