Domains with DNS TXT v=spf1 mx a:gch1.gch.cz include:_spf.hbnet.cz -all
There is 1 domain that have DNS TXT set to v=spf1 mx a:gch1.gch.cz include:_spf.hbnet.cz -all.
There is 1 domain that have DNS TXT set to v=spf1 mx a:gch1.gch.cz include:_spf.hbnet.cz -all.