Email Authentication

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

DKIM

pass
Cryptographic signature on outbound mail (selector: google).
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAgAFFEXZ/j8+7ZZvzOWqxkmdV4Etgce/rxgM78Yw/RHeZAGpKeUPj/c6IuWM30INDRq+8bctq8rrivUIfVyUoWiVQI4RA+JDf5ZDuCE4fEtOaYygR0QBY9cXVJRQAKbgvP2jW7TKbUKExaWrzb2YhaQ/pH0YO3T5ahET9iXQFv7rCKE7nBu9+t/5zIRRQefKIQbp69G0tGHJoi2PgUZuBy7NodNEDE8GfdjFAAlLbJv/wzgWJC0bc2bOpSiElVTWNLWU8E3JeXqqGvJglYv1BhbiUswKPnGeoY0mvoW/i1j7+QSNOZNSjFDTgEbLSeRopmWWdee4SzI3/VjTTN8V6+QIDAQAB

DMARC

none
Tells receivers what to do with mail that fails SPF/DKIM.
No record published.

Mail Servers (MX)

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