Domains with DNS TXT v=spf1 a ip4:217.28.100.101 include:_spf.retarus.com include:spf.protection.outlook.com -all
There are 15 domains that have DNS TXT set to v=spf1 a ip4:217.28.100.101 include:_spf.retarus.com include:spf.protection.outlook.com -all. The top 15 records ordered by domain rank are listed below.