Domains with DNS TXT v=spf1 ip4:23.23.152.140 ip4:74.83.90.226 ip6:2600:1f18:4572:dc42:2600:888:255:8918 include:spf.protection.outlook.com include:spf.happyfox.com include:21629475.spf03.hubspotemail.net -all

There is 1 domain that have DNS TXT set to v=spf1 ip4:23.23.152.140 ip4:74.83.90.226 ip6:2600:1f18:4572:dc42:2600:888:255:8918 include:spf.protection.outlook.com include:spf.happyfox.com include:21629475.spf03.hubspotemail.net -all.

Top Domains with TXT set to v=spf1 ip4:23.23.152.140 ip4:74.83.90.226 ip6:2600:1f18:4572:dc42:2600:888:255:8918 include:spf.protection.outlook.com include:spf.happyfox.com include:21629475.spf03.hubspotemail.net -all