Domains with DNS TXT v=spf1 a mx include:_spf.hostnet.nl include:mailswitch.nl include:37.128.144.237 -all

There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.hostnet.nl include:mailswitch.nl include:37.128.144.237 -all.

Top Domains with TXT set to v=spf1 a mx include:_spf.hostnet.nl include:mailswitch.nl include:37.128.144.237 -all