Domains with DNS TXT v=spf1 a mx include:spf.hornetsecurity.com a:remote.niedermann-hlk.ch -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.hornetsecurity.com a:remote.niedermann-hlk.ch -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.hornetsecurity.com a:remote.niedermann-hlk.ch -all.