Domainchecker
MX
no MX record
MX
No MX record found!
SPF
SPF
No SPF record could be found
DKIM selector
DKIM
Example (copy&paste between the quotes): "v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDE9CGsA+KlcZhpt22zoE2oDMZQzYCbqfph9tfeaCjZG1y2qUQ+IfJIqncxSeQ30Q9B+Stlmy/oWq8V6E+PMsdC1BnCNXWwVYeTUUAUjOSH1REk0XE2g15RaXHOQzK9BNanfnGjhXRi9gpTIx4efOXdfLVOzE/UhwJPP3QKXJ0ypQIDAQAB"
DMARC
v=DMARC1; p=none; rua=mailto:dmarc@dmarc.mailmike.net; rf=afrf; pct=100;
DMARC
DMARC matches your settings
Domainchecker copy / paste
date: 16.01.2026 - [direct link] - Senderdomain: mta-sts.oosterpiet.nl
host -t mx mta-sts.oosterpiet.nl.
domain mta-sts.oosterpiet.nl not found
host -t txt mta-sts.oosterpiet.nl.
domain mta-sts.oosterpiet.nl not found
host -t txt deliv202301._domainkey.mta-sts.oosterpiet.nl.
domain deliv202301._domainkey.mta-sts.oosterpiet.nl not found
host -t txt _dmarc.oosterpiet.nl.
_dmarc.oosterpiet.nl descriptive text v=DMARC1; p=none; rua=mailto:dmarc@dmarc.mailmike.net; rf=afrf; pct=100;. [ok]
host -t mx mta-sts.oosterpiet.nl.
domain mta-sts.oosterpiet.nl not found
host -t txt mta-sts.oosterpiet.nl.
domain mta-sts.oosterpiet.nl not found
host -t txt deliv202301._domainkey.mta-sts.oosterpiet.nl.
domain deliv202301._domainkey.mta-sts.oosterpiet.nl not found
host -t txt _dmarc.oosterpiet.nl.
_dmarc.oosterpiet.nl descriptive text v=DMARC1; p=none; rua=mailto:dmarc@dmarc.mailmike.net; rf=afrf; pct=100;. [ok]