Domains with DNS TXT v=spf1 mx include:yourexchange.de ip4:87.138.210.36 -all
There is 1 domain that have DNS TXT set to v=spf1 mx include:yourexchange.de ip4:87.138.210.36 -all.
There is 1 domain that have DNS TXT set to v=spf1 mx include:yourexchange.de ip4:87.138.210.36 -all.