Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:emailsrvr.com include:sendgrid.net include:mail.zendesk.com include:_spf.getresponse.com -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:emailsrvr.com include:sendgrid.net include:mail.zendesk.com include:_spf.getresponse.com -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com include:emailsrvr.com include:sendgrid.net include:mail.zendesk.com include:_spf.getresponse.com -all