Domains with DNS TXT v=spf1 include:spf1.c4.cz include:spf2.c4.cz include:_spf.upgates.com -all
There is 1 domain that have DNS TXT set to v=spf1 include:spf1.c4.cz include:spf2.c4.cz include:_spf.upgates.com -all.
There is 1 domain that have DNS TXT set to v=spf1 include:spf1.c4.cz include:spf2.c4.cz include:_spf.upgates.com -all.