Domains with DNS TXT v=spf1 mx a:smtp.vtx.ch ip4:217.169.133.1 include:courrier.ch -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:smtp.vtx.ch ip4:217.169.133.1 include:courrier.ch -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a:smtp.vtx.ch ip4:217.169.133.1 include:courrier.ch -all.