Domains with DNS TXT v=spf1 a include:_spf.google.com include:mailgun.org include:_spf.mlsend.com include:_spf.osuosl.org ~all
There is 1 domain that have DNS TXT set to v=spf1 a include:_spf.google.com include:mailgun.org include:_spf.mlsend.com include:_spf.osuosl.org ~all.