Domains with DNS TXT v=spf1 include:_spf.mailersend.net a mx a:mx.smbbest.hu include:_spf.mlsend.com include:spf.dimail.hu -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.mailersend.net a mx a:mx.smbbest.hu include:_spf.mlsend.com include:spf.dimail.hu -all.