Email Authentication

megaknihy.cz

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:internet-handel.cz include:_emailing.heureka.cz a mx ~all

DKIM

pass
Cryptographic signature on outbound mail (selector: mail).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC7a1w1yOgvmG30sCT7tprQBW/7rYBvZ0kwpvid+4pivcoQ8dV5/TRYitav2z5A2nGuu982MLyWYU5L++cp6TDe3DQ3Y5I8TxQKKJ5YEWVcc0Rixt21gtia2bJrZgcfyGyM+7V00O0942UgkFi1MDHNlTT40bR1YcWUK1z7YhW9KQIDAQAB

DMARC

pass
Tells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; adkim=r; aspf=r; fo=1; rua=mailto:reporting@internet-handel.cz; ruf=mailto:reporting@internet-handel.cz; rf=afrf; pct=100; ri=86400

Mail Servers (MX)

10 mail.90.cz