Email Authentication

switch.ch

SPF

pass

Declares which servers may send mail for this domain.

v=spf1 exists:%{ir}.spf.switch.ch include:mail.zendesk.com include:spf.protection.outlook.com include:spf.mailjet.com -all

none

Cryptographic signature on outbound mail (selector: none).

No record published.

pass

Tells receivers what to do with mail that fails SPF/DKIM. Policy: reject.

v=DMARC1; p=reject; rua=mailto:dmarc-rua@switch.ch; fo=1; adkim=r; aspf=r

10 mx3.switch.ch

10 mx4.switch.ch