Email Authentication
tarnow.pl
SPF
passDeclares which servers may send mail for this domain.
v=spf1 ip4:149.156.2.0/24 -all
DKIM
noneCryptographic signature on outbound mail (selector: none).
No record published.
DMARC
warningTells receivers what to do with mail that fails SPF/DKIM. Policy: none.
v=DMARC1; p=none; sp=none; rua=mailto:dmarc_report@cyfronet.pl; ruf=mailto:dmarc_reportf@cyfronet.pl;
Mail Servers (MX)
4 pocztapro.cyfronet.pl