Due to the rise of hacker attacks, our security team implemented more security measures to avoid them, and sometimes when detects an unusual behavior from an IP to try to access our website, the IP is blocked. So that, if you see the message: ERR_DNS_FAIL, please send from what public IP you are trying to have access to our website, If you don´t know what is the IP, you can consult it in the page https://www.whatismyip.com/, send this information by email to md.ssuport@grupobmv.com.mx.