Email Authentication
advideo.ru
SPF
failDeclares which servers may send mail for this domain.
v=spf1 ip4:37.143.13.43 include:_spf.yandex.net ~all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
noneTells receivers what to do with mail that fails SPF/DKIM.
No record published.
Mail Servers (MX)
10 mx.yandex.ru