Domains with DNS TXT v=spf1 mx a include:smtp-gw.gigaserver.cz ip6:2a02:4a8:ac24:128::99:48 include:_spf.previo.cz include:_spf.webglobe.com include:spf.active24.com ~all
There is 1 domain that have DNS TXT set to v=spf1 mx a include:smtp-gw.gigaserver.cz ip6:2a02:4a8:ac24:128::99:48 include:_spf.previo.cz include:_spf.webglobe.com include:spf.active24.com ~all.