Domains with DNS TXT v=spf1 mx include:sparkpostmail.com a:post.czi.cz a:servera010.cartel.nl -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:sparkpostmail.com a:post.czi.cz a:servera010.cartel.nl -all.
There is 1 domain that have DNS TXT set to v=spf1 mx include:sparkpostmail.com a:post.czi.cz a:servera010.cartel.nl -all.