It's only the DACH region to my knowledge and you can still do a lot to prevent spammers from getting the details.

That basically includes most of the default anti-scraping methods but since you only have one page to do it on, it's far simple to get 99% of the bad guys out (Spammers usually stop bothering once you get more advanced than ROT13 via Javascript or images designed to trip up OCR but still being readable)