Domains with DNS TXT v=spf1 include:_mx.iszf.nl include:_lev.iszf.nl -all
There is 1 domain that have DNS TXT set to v=spf1 include:_mx.iszf.nl include:_lev.iszf.nl -all.
There is 1 domain that have DNS TXT set to v=spf1 include:_mx.iszf.nl include:_lev.iszf.nl -all.