Email Authentication
teleman.pl
SPF
passDeclares which servers may send mail for this domain.
v=spf1 mx include:netblocks.dreamhost.com include:relay.mailchannels.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 mx1.mailchannels.net
20 mx2.mailchannels.net