SPF Lookup SPF Generator SPF Raw Checker Domain where SPF will be published Domain An SPF record that you wish to validate before publishing on your DNS Raw Record v=spf1 include:_ipspf.yahoo.com include:verizon.com ip4:209.191.107.0/24 ip4:216.252.111.0/24 ip4:68.142.206.0/24 ip4:209.73.179.0/24 ip4:68.142.203.0/24 ip4:206.46.0.0/16 ip4:69.147.103.0/24 ip4:204.29.186.0/23 ?all Check the record