sig4road.com

dns1.host-redirect.com, dns2.host-redirect.com, dns3.host-redirect.com, dns4.host-redirect.com

v=spf1 mx a:mailserver.netsigma.pt a:mailservera.netsigma.pt a:mailserverb.netsigma.pt ip4:144.76.82.189 ip4:144.76.229.146 ip4:144.76.200.248 ip4:193.137.196.233 include:sparkpostmail.com ~all