Domains with DNS TXT v=spf1 a mx include:spf.sfp-net.com include:agenturserver.de include:spf.sendinblue.com -all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:spf.sfp-net.com include:agenturserver.de include:spf.sendinblue.com -all.

Top Domains with TXT set to v=spf1 a mx include:spf.sfp-net.com include:agenturserver.de include:spf.sendinblue.com -all