f13.cz

DNS records live

NS

• ns1.ignum.com
• ns2.ignum.cz

MX

• 10 a.mx.f13.cz

Verified for

• Google

Email authentication strong

SPF

v=spf1 mx a include:_spf.keyupit.com -all

strict (-all)

DMARC

v=DMARC1; p=reject;

policy: reject (enforced)

DKIM

• default: v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAthuaae9KxujGdVxsI19SGk8lvjgepch4m/Z1NCZtCEVMQEAjnXWu2hVOUBqIm/J3iQ5NKYKkSwBpGD…

selectors probed

Certificate (current)

Full certificate history on crt.sh ↗

Linked from (1)

• krusnohorsketrasy.cz×1