Domains with DNS TXT v=spf1 ptr include:spf.protection.outlook.com include:deltekfirst.com include:constantcontact.com include:confirmedcc.com include:spf.amapc.com -all

There is 1 domain that have DNS TXT set to v=spf1 ptr include:spf.protection.outlook.com include:deltekfirst.com include:constantcontact.com include:confirmedcc.com include:spf.amapc.com -all.

Top Domains with TXT set to v=spf1 ptr include:spf.protection.outlook.com include:deltekfirst.com include:constantcontact.com include:confirmedcc.com include:spf.amapc.com -all