Email Authentication

nbp.pl

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 +mx +ip4:185.16.144.35 +ip4:46.229.156.65 +ip4:212.91.26.59 +ip4:193.109.212.95 +ip4:195.85.196.95 +ip4:95.172.90.143 +ip4:95.172.90.156 +ip4:217.149.255.192/28 +ip4:195.149.95.2 include:spf.protection.outlook.com -all

DKIM

pass
Cryptographic signature on outbound mail (selector: default).
v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtaQ2b8yx4TKiq9/eXcOGY402yURWTbn7sB09tnuH6axtv7JWtdCoGU0Oexa9h9/Fy5nLafSJtqCIk1iRl8G1lZEFbb1SWUxI/F+mrIDEcR5EgcEkfNwqQttLI8w7S4BhJWM2C5VHcIA5Fwyh5WganZRjBkAiKDnoudQ5ApEfIgFVjaZ86T3gnUWvWMwTdJljuw1YbVezL03oGOncFNA8eu+RTIPfgAE4AqXdRYwfqu84mwO9/FnVTkZfpH78n9YnKTIGbAJbxCOyS9zdJ8C4i/T8sjMFDntQr7JkljGwNIiLSh/oI/GpESvlcFdkc4IwuTqcKBN1f02Wr/M2bp9aAQIDAQAB

DMARC

pass
Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1;p=reject;adkim=s;aspf=s;sp=reject;rua=mailto:dmarc.rua@nbp.pl;

Mail Servers (MX)

10 mx1c.nbp.pl
10 mx1r.nbp.pl