Domains with DNS TXT v=spf1 mx a:smtpauth.zaisp.net a:holsten.zaisp.net a:heineken.zaisp.net a:windhoek.zaisp.net -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:smtpauth.zaisp.net a:holsten.zaisp.net a:heineken.zaisp.net a:windhoek.zaisp.net -all.