Domains with DNS TXT v=spf1 include:_u.youngbasile.com._spf.smart.ondmarc.com include:usb._netblocks.mimecast.com include:mailgun.org ~all

There is 1 domain that have DNS TXT set to v=spf1 include:_u.youngbasile.com._spf.smart.ondmarc.com include:usb._netblocks.mimecast.com include:mailgun.org ~all.

Top Domains with TXT set to v=spf1 include:_u.youngbasile.com._spf.smart.ondmarc.com include:usb._netblocks.mimecast.com include:mailgun.org ~all