Domains with DNS TXT v=spf1 +a include:americanboxerclub.org.spf.auto.dnssmarthost.net include:u3300229.wl230.sendgrid.net +mx ~all
There is 1 domain that have DNS TXT set to v=spf1 +a include:americanboxerclub.org.spf.auto.dnssmarthost.net include:u3300229.wl230.sendgrid.net +mx ~all.