Domains with DNS TXT v=spf1 include:_spf-eu.ionos.com mx a a:smtp.strato.de a:smtpin.rzone.de include:_spf.strato.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf-eu.ionos.com mx a a:smtp.strato.de a:smtpin.rzone.de include:_spf.strato.com -all.