H Lisandro8,

Nameservers not responding:
udp6:2804:218:d1::ca5a
udp6:2804:218:d2::cafe
udp6:2804:218:d3::faca
WARNING: We found different serial numbers on your name servers, it’s OK if you had modified your zone recently.
2 vuln. libraries: http://retire.insecurity.today/#!/scan/44e6d0a47653ab1199252d10d59e961973002e7e8cf8d3dea1890d3bcc019acf
C-grade 5 issues: https://sritest.io/#report/9873422d-350f-4683-8faf-982bf8e86da0
F-Grade and recommendations: https://observatory.mozilla.org/analyze.html?host=www.refletirpararefletir.com.br

No cloaking, no iFrame issues, status code equal, no spammy looking links, not blacklisted…
Also consider info here: http://www.thisheadx.com/www/refletirpararefletir.com.br

We are volunteers with relevant knowledge but only avast team members are to unblock!
Wait for an Avast Team Member to give the final verdict if your website is either malicious or suspicious.

polonus (volunteer website security analyst and website error-hunter)