Domains with DNS TXT v=spf1 mx a ip4:127.0.0.1 include:_spf.yandex.net include:sendgrid.net include:servers.mcsv.net -all
There is 1 domain that have DNS TXT set to v=spf1 mx a ip4:127.0.0.1 include:_spf.yandex.net include:sendgrid.net include:servers.mcsv.net -all.