Domains with DNS TXT v=spf1 include:au.zcsend.net include:sendgrid.net include:mailgun.org include:spf.protection.outlook.com ip4:210.11.189.22 ip4:110.142.242.61 ip4:104.18.164.96 ip4:104.18.168.96 ip4:104.18.165.96 ip4:43.250.142.39 -all

There is 1 domain that have DNS TXT set to v=spf1 include:au.zcsend.net include:sendgrid.net include:mailgun.org include:spf.protection.outlook.com ip4:210.11.189.22 ip4:110.142.242.61 ip4:104.18.164.96 ip4:104.18.168.96 ip4:104.18.165.96 ip4:43.250.142.39 -all.

Top Domains with TXT set to v=spf1 include:au.zcsend.net include:sendgrid.net include:mailgun.org include:spf.protection.outlook.com ip4:210.11.189.22 ip4:110.142.242.61 ip4:104.18.164.96 ip4:104.18.168.96 ip4:104.18.165.96 ip4:43.250.142.39 -all