Domains with DNS TXT v=spf1 include:emailsrvr.com include:u3300229.wl230.sendgrid.net include:gbnonline.com.spf.auto.dnssmarthost.net ~all
There is 1 domain that have DNS TXT set to v=spf1 include:emailsrvr.com include:u3300229.wl230.sendgrid.net include:gbnonline.com.spf.auto.dnssmarthost.net ~all.