Domains with DNS TXT v=spf1 a include:_smtp-relay.tmt.de include:_nl.relay.tmt.de ~all

There is 1 domain that have DNS TXT set to v=spf1 a include:_smtp-relay.tmt.de include:_nl.relay.tmt.de ~all.

Top Domains with TXT set to v=spf1 a include:_smtp-relay.tmt.de include:_nl.relay.tmt.de ~all