Blacklisted: http://zulu.zscaler.com/submission/show/91d0f372eea0e129980907cfd5b30199-1432046529 http://urlquery.net/report.php?id=1432046745863 http://urlquery.net/report.php?id=1432046756682
Certificate and other problems: https://www.ssllabs.com/ssltest/analyze.html?d=tecnoayuda.cl
DNS problems: http://dnscheck.pingdom.com/?domain=www.tecnoayuda.cl
https://blog.avast.com/tag/false-positive/