Cant get quad 9 DoT to work using pi hole and unbound

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Thanks for the reply this is the .conf im using

server:
    verbosity: 1
    interface: 127.0.0.1
    port: 5335
    do-ip4: yes
    do-ip6: yes

    hide-identity: yes
    hide-version: yes
    qname-minimisation: yes
    harden-glue: yes
    harden-dnssec-stripped: yes
    use-caps-for-id: yes
    edns-buffer-size: 1232
    do-not-query-localhost: no

    access-control: 127.0.0.1/32 allow
    access-control: ::1 allow

    forward-zone:
        name: "."
        forward-tls-upstream: yes
        forward-addr: 9.9.9.11@853#dns.quad9.net
        forward-addr: 149.112.112.11@853#dns.quad9.net