Domains with DNS TXT v=spf1 a include:spf.spamservice.nl include:spf.supracom.nl include:spf.sendinblue.com include:_spf.paytsoftware.com -all
There is 1 domain that have DNS TXT set to v=spf1 a include:spf.spamservice.nl include:spf.supracom.nl include:spf.sendinblue.com include:_spf.paytsoftware.com -all.