Email Authentication
3ddd.ru
SPF
warningDeclares which servers may send mail for this domain.
v=spf1 redirect=_spf.yandex.net
DKIM
passCryptographic signature on outbound mail (selector: dkim).
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCuAyRK7Yf8Lcl7OUs4P3tk1t3xkt1daBMwUmp95rZskTJ8cqXDXCQy58m/xS2Gee05pgctrRdjR3spBwsX1jbVjphkea4HWYViAMdjp0Zu1oOKLW0DFmEqtvxrFY0rrvpGuRn+riYKuz+EP7buWKUE1sHhD3SLfT1jt82/iwg6HwIDAQAB
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; pct=100; rua=mailto:tech@3ddd.ru
Mail Servers (MX)
10 mx.yandex.net