Domains with DNS TXT v=spf1 mx include:_spf.google.com include:ispgateway.de include:s4b.digital -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:_spf.google.com include:ispgateway.de include:s4b.digital -all.
There is 1 domain that have DNS TXT set to v=spf1 mx include:_spf.google.com include:ispgateway.de include:s4b.digital -all.