Domains with DNS TXT v=spf1 include:spf.protection.outlook.com include:spf.solcon.nl a:smtp.fyn.nl a:fallback.fyn.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com include:spf.solcon.nl a:smtp.fyn.nl a:fallback.fyn.nl -all.