Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com ip4:89.101.196.250 ip4:89.101.196.251 a:smtp.ah4u.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com ip4:89.101.196.250 ip4:89.101.196.251 a:smtp.ah4u.nl -all.