Definitely a IP block. http://zulu.zscaler.com/submission/show/ebe12bc418bb6d738499f43ac5a5e2e8-1446838372 http://urlquery.net/report.php?id=1446840479939 http://urlquery.net/report.php?id=1446840443412
508 loop https://sitecheck.sucuri.net/results/taller-9.com.ar
Blacklisted domain & IP http://multirbl.valli.org/lookup/taller-9.com.ar.html http://multirbl.valli.org/lookup/31.170.164.105.html
No secure protocols supported https://www.ssllabs.com/ssltest/analyze.html?d=taller-9.com.ar
No SPF record (allows spam) http://www.dnsinspect.com/taller-9.com.ar/1446840818