Domains with DNS TXT v=spf1 a mx ip4:17.57.156.17 ip4:17.57.156.23 include:_spf.hostnet.nl -all
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:17.57.156.17 ip4:17.57.156.23 include:_spf.hostnet.nl -all.
There is 1 domain that have DNS TXT set to v=spf1 a mx ip4:17.57.156.17 ip4:17.57.156.23 include:_spf.hostnet.nl -all.