Domains with DNS TXT v=spf1 ip4:173.248.191.179 include:_spf.mddservices.com +mx +a +include:send.aweber.com ~all
There is 1 domain that have DNS TXT set to v=spf1 ip4:173.248.191.179 include:_spf.mddservices.com +mx +a +include:send.aweber.com ~all.