Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:eu.mailers.system-monitor.com include:amazonses.com include:spf.provalue.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:eu.mailers.system-monitor.com include:amazonses.com include:spf.provalue.nl -all.