Malware on the website, spam and phishing coming from that host…
The site is blocked because it contains malware. http://www.web-malware-removal.com/website-malware-virus-scanner/url=neo-tantra.es https://sitecheck.sucuri.net/results/neo-tantra.es http://multirbl.valli.org/lookup/192.254.189.67.html
IP is also blocked : http://urlquery.net/report.php?id=1447772811131 http://urlquery.net/report.php?id=1447772976649 http://zulu.zscaler.com/submission/show/3708d46a50b999c08767f2acf49c7d27-1447772667