Domains with DNS TXT v=spf1 a:smtp.firstfloor.lu a:firstfloor.lu include:spf-strict.cloudbizz.lu -all

There is 1 domain that have DNS TXT set to v=spf1 a:smtp.firstfloor.lu a:firstfloor.lu include:spf-strict.cloudbizz.lu -all.

Top Domains with TXT set to v=spf1 a:smtp.firstfloor.lu a:firstfloor.lu include:spf-strict.cloudbizz.lu -all