Domains with DNS TXT v=spf1 include:spf.protection.outlook.com a:mailer1.activetickets.com include:_spf.mijnwefact.nl include:spf.spamservice.nl -all

There is 1 domain that have DNS TXT set to v=spf1 include:spf.protection.outlook.com a:mailer1.activetickets.com include:_spf.mijnwefact.nl include:spf.spamservice.nl -all.

Top Domains with TXT set to v=spf1 include:spf.protection.outlook.com a:mailer1.activetickets.com include:_spf.mijnwefact.nl include:spf.spamservice.nl -all