DNSSec

How to setup DNSSEC with powerdns:

• Add dnssec to pdns.conf:

gpgsql-dnssec=yes

sudo pdnssec add-zone-key conti.work zsk 1024 active rsasha256
sudo pdnssec add-zone-key conti.work ksk 2048 active rsasha256
sudo pdnssec secure-zone conti.work
sudo pdnssec rectify-zone conti.work

Upload public KSK ZSK [1]

dig  DNSKEY conti.work

Check if it worked [2] or here [3]

Set nsec3 parameter [4]

sudo pdnssec set-nsec3 conti.work '1 0 10 db7fcd8a'

[5]

Adding DANE/TLSA record for mail server certificate verification

openssl x509 -in /etc/ssl/certs/ssl-mail.pem -outform DER | openssl sha256

Add TLSA record to DNS:

_25._tcp.conti.work.  IN TLSA 3 0 1 9bcd8c83d61e414bd5d935545637a2a98d3f38aaaf5ff9af415ddc574e28ae80

Howto [6] and [7]

Verify with [8]