Domains with DNS TXT v=spf1 a mx include:secure-shield.at include:b4s-service.com -all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:secure-shield.at include:b4s-service.com -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx include:secure-shield.at include:b4s-service.com -all.