Email Authentication

one.com

SPF

pass
Declares which servers may send mail for this domain.
v=spf1 include:_spf.one.com include:spf.mail.intercom.io include:mail.zendesk.com include:spf.mandrillapp.com include:servers.mcsv.net include:spf.protection.outlook.de include:secure-mailgate.com ~all

DKIM

pass
Cryptographic signature on outbound mail (selector: k1).
k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;

DMARC

pass
Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.
v=DMARC1; p=reject; psd=n; rua=mailto:one.com-ag@dmarc-reports.g1i.one; ruf=mailto:one.com-fr@dmarc-reports.g1i.one;

Mail Servers (MX)

10 mx3.pub.mailpod12-cph3.one.com
10 mx4.pub.mailpod12-cph3.one.com
10 mx2.pub.mailpod12-cph3.one.com
10 mx1.pub.mailpod12-cph3.one.com