Domains with DNS TXT v=spf1 a:mail2019.horizonsva.com ip4:70.33.130.253 ip4:70.33.130.20 include:spf1.appriver.com include:spf.protection.outlook.com -all
There is 1 domain that have DNS TXT set to v=spf1 a:mail2019.horizonsva.com ip4:70.33.130.253 ip4:70.33.130.20 include:spf1.appriver.com include:spf.protection.outlook.com -all.