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 mx a include:_prefixes.he.net a:mailhost.lightning.net a:admin.he.net a:corp.he.net a:tickets.he.net a:abuse.he.net a:ipv6.he.net a:tunnelbroker.net ip4:64.71.139.96/27 ip4:216.218.186.2 ip6:2001:470::/48 ~all Check the record