Email Authentication
pepco.cz
SPF
passDeclares which servers may send mail for this domain.
v=spf1 mx ip4:164.40.245.158 ip4:164.40.245.131 ip4:164.40.245.136 ip4:164.40.245.137 include:spf.protection.outlook.com include:spf.emailsignatures365.com include:_spf.freshmail.pl -all
DKIM
passCryptographic signature on outbound mail (selector: selector1).
v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCbaZ/uBW+LmD7WxX4es5gTDrDLWztRGsDiS0+NgDp4ExKsndHClhnGSDW6vbMcOBXkvX8YN5fsVz8uhrP1SlYSZ+Btg7AE7H7RfoG1wJcRrEw2Omcu2EZ56YTNRVFGNRcfXYzIdzwTC/HdHSfVLzFJJTso0W97IoDa3WAboed4uQIDAQAB; n=1024,1504352138,1519990538
DMARC
passTells receivers what to do with mail that fails SPF/DKIM. Policy: quarantine.
v=DMARC1; p=quarantine; rua=mailto:dmarc@pepco.eu
Mail Servers (MX)
0 pepco-cz.mail.protection.outlook.com