Domains with DNS TXT v=spf1 include:_spf.whitelabelserver.nl include:mailgun.org include:spf.sendinblue.com include:spf.mandrillapp.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.whitelabelserver.nl include:mailgun.org include:spf.sendinblue.com include:spf.mandrillapp.com -all.