cli app only binds to IPv4

[FernandoMiguel]

tcp4       0      0  127.0.0.1.53           *.*                    LISTEN
udp4       0      0  127.0.0.1.53           *.*

$ dig  bbc.fr +trace -6

; <<>> DiG 9.14.7 <<>> bbc.fr +trace -6
;; global options: +cmd
;; connection timed out; no servers could be reached

[FernandoMiguel]

when using https://github.com/DNSCrypt/dnscrypt-proxy
it has the following config

listen_addresses = ['[::1]:53', '127.0.0.1:53']

$ dig aaaa bbc.fr -6

; <<>> DiG 9.14.7 <<>> aaaa bbc.fr -6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56478
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1220
;; QUESTION SECTION:
;bbc.fr.				IN	AAAA

;; ANSWER SECTION:
bbc.fr.			599	IN	AAAA	2001:41c1:4007::bbc:6
bbc.fr.			599	IN	AAAA	2001:41c1:4008::bbc:5
bbc.fr.			599	IN	AAAA	2001:41c1:4007::bbc:5
bbc.fr.			599	IN	AAAA	2001:41c1:4008::bbc:6
bbc.fr.			599	IN	AAAA	2001:41c1:4007::bbc:7
bbc.fr.			599	IN	AAAA	2001:41c1:4007::bbc:8

;; Query time: 25 msec
;; SERVER: ::1#53(::1)
;; WHEN: Sat Nov 23 20:34:26 GMT 2019

[FernandoMiguel]

Woot
Thank you.
And happy new year