Domains with DNS TXT v=spf1 include:sendgrid.net spf.protection.outlook.com mx:heico.com ip4:96.46.253.188 ip4:97.107.117.251 ip4:148.163.149.40 ip4:148.163.153.26 ip4:205.220.172.87 ip4:205.220.161.127 ~all

There is 1 domain that have DNS TXT set to v=spf1 include:sendgrid.net spf.protection.outlook.com mx:heico.com ip4:96.46.253.188 ip4:97.107.117.251 ip4:148.163.149.40 ip4:148.163.153.26 ip4:205.220.172.87 ip4:205.220.161.127 ~all.

Top Domains with TXT set to v=spf1 include:sendgrid.net spf.protection.outlook.com mx:heico.com ip4:96.46.253.188 ip4:97.107.117.251 ip4:148.163.149.40 ip4:148.163.153.26 ip4:205.220.172.87 ip4:205.220.161.127 ~all