Email Authentication

cncenter.cz

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:_spf.google.com ip4:85.207.58.59 ip4:85.207.4.158 ip4:91.235.52.159 ip4:91.235.52.160 ip4:62.77.119.84 ip4:62.77.119.74 mx include:spf.smartemailing.cz ~all

DKIM

pass
Cryptographic signature on outbound mail (selector: google).
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBC  gKCAQEAi9Blcr0/4q0GlGvvHTePiUTlFPocsYOzeUVvKY0pr7W44aslx8  /zWhF64Dp1hNcM1OGraDaJ34aFB22xLNtrX5whSyxigYyD77WsBgN  LVFZn21+ui0iIgRQ1DJJ+7cmBchmRVlio3G5mAwWKy2Za6rXsemMJ  tisqqWPm+7MRKlkYyxssKEXYQ7WfDSYA2mRH3WmrTv4Pk5XEBgm  k+Kfl5zRyQeXaWhwSO0uLLmiQS/yG1aRdh6+Si3Ynb5pkS1ni+ZE4  zs4thwaYXg3yR/Cmk0osXb8MeFAr6hyuZOCQbyUKxwwex1XAPSla  7paqdndHJYggAlDVmoKe5CKGPVU9+QIDAQAB

DMARC

warning
Tells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none; rua=mailto:dmarc+171466@smartemailing.cz; fo=1

Mail Servers (MX)

1 aspmx.l.google.com
5 alt1.aspmx.l.google.com
5 alt2.aspmx.l.google.com
10 aspmx3.googlemail.com
10 aspmx2.googlemail.com