The 24-year-old has been checked out by Alan Pardew and chief scout Graham Carr, but the Dutch League star is no nearer a deal with the Magpies.
Douglas is set to leave FC Twente this summer, he broke his silence and said today: "Five clubs are interested and there's a bigger club than Newcastle.
"I cannot still say anything about it but I hope soon to have my new club.
"I have personally been in touch with Ajax and immediately said that I'm not interested.
"I want to go abroad as I have outgrown the league.
"I noticed this year that I am sometimes a little too easy going down, then you make mistakes.
"I want to be tested every week."