Domains with DNS TXT v=spf1 mx a:mail.bitbybit1.com a:mail.michiganbroadband.net ip4:64.141.166.44 ip4:23.115.95.219 -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:mail.bitbybit1.com a:mail.michiganbroadband.net ip4:64.141.166.44 ip4:23.115.95.219 -all.