Email Authentication

dek.cz

SPF

warning
Declares which servers may send mail for this domain.
v=spf1 redirect=_spfmailgun.dek.cz

DKIM

pass
Cryptographic signature on outbound mail (selector: default).
v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDx27qQ3kTTUJBXvMSiRb0kc+/15k8ZfRayodg6JNiFRNg+jlF3IllU94WTv8bHhVDB0sTetoJ5bFyP2jj0YshC1Y+jofxdy572bV9cnQ1fG+Gguo+ZUgtCAK8TfSTfhgIKjLsih+v5vetalVvFYLRnaucP9reLim6sxMVz7yh9kQIDAQAB

DMARC

pass
Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject

Mail Servers (MX)

10 mx1.dek.cz