Domains with DNS TXT v=spf1 a ip4:64.20.37.26 include:relay.is.cc include:spf.protection.outlook.com include:servers.mcsv.net -all
There is 1 domain that have DNS TXT set to v=spf1 a ip4:64.20.37.26 include:relay.is.cc include:spf.protection.outlook.com include:servers.mcsv.net -all.