Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:_spf.sendergen.com include:_spf.optimalblue.com ip4:212.54.155.61 ip4:74.208.41.89 ip4:184.154.199.165 ip4:212.54.152.23 -all

There are 41 domains that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:_spf.sendergen.com include:_spf.optimalblue.com ip4:212.54.155.61 ip4:74.208.41.89 ip4:184.154.199.165 ip4:212.54.152.23 -all. The top 41 records ordered by domain rank are listed below.