Domains with DNS TXT v=spf1 a mx include:mxlb.ispgateway.de a:smtprelay07.ispgateway.de -all
There are 2 domains that have DNS TXT set to v=spf1 a mx include:mxlb.ispgateway.de a:smtprelay07.ispgateway.de -all. The top 2 records ordered by domain rank are listed below.