Email Authentication
21vek.by
SPF
passDeclares which servers may send mail for this domain.
v=spf1 ip4:82.209.233.74 ip4:178.163.236.133 include:_spf.yandex.net include:spf.smtp.bz include:spf.unisender.ru include:spf.mindbox.ru ~all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; adkim=r; aspf=r; rf=afrf; pct=100; rua=mailto:servicemail@21vek.by; ruf=mailto:servicemail@21vek.by;
Mail Servers (MX)
10 mx.yandex.ru