Domains with DNS TXT v=spf1 a mx include:_spf.siteking.nl include:spf.transsmart.com include:eu.mailgun.org ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.siteking.nl include:spf.transsmart.com include:eu.mailgun.org ~all.

Top Domains with TXT set to v=spf1 a mx include:_spf.siteking.nl include:spf.transsmart.com include:eu.mailgun.org ~all