Email Authentication

chat.blesk.cz

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 include:_spf.google.com mx ip4:207.126.144.0/20 ip4:91.235.52.159 ip4:91.235.52.160 ~all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

none

Tells receivers what to do with mail that fails SPF/DKIM.

No record published.

10 aspmx.l.google.com

20 alt2.aspmx.l.google.com

20 alt1.aspmx.l.google.com

30 aspmx2.googlemail.com

30 aspmx3.googlemail.com

100 onlinedev.cncenter.cz

100 onlineweb.cncenter.cz