cnb.cz
DNS records
Email authentication weak
- SPF
-
v=spf1 mx ip4:193.86.31.131 ip4:193.86.31.132 ip4:193.85.3.250 ip4:193.86.31.141 ip4:193.86.31.142 -allstrict (-all) - DMARC
- not published
- DKIM
- no key found at common selectors
Certificates
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