Comment # 2 on bug 1156112 from Michal Hlavac

After restart and connected to internet:

hlavki@hlknb:~> docker pull alpine
Using default tag: latest
Error response from daemon: Get https://registry-1.docker.io/v2/: dial tcp:
lookup registry-1.docker.io on [::1]:53: read udp [::1]:44874->[::1]:53: read:
connection refused

hlavki@hlknb:~> dig registry-1.docker.io

; <<>> DiG 9.11.2 <<>> registry-1.docker.io
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 26682
;; flags: qr rd ra; QUERY: 1, ANSWER: 8, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;registry-1.docker.io.          IN      A

;; ANSWER SECTION:
registry-1.docker.io.   0       IN      A       34.201.196.144
registry-1.docker.io.   0       IN      A       34.228.211.243
registry-1.docker.io.   0       IN      A       34.232.31.24
registry-1.docker.io.   0       IN      A       52.2.186.244
registry-1.docker.io.   0       IN      A       52.55.198.220
registry-1.docker.io.   0       IN      A       52.70.175.131
registry-1.docker.io.   0       IN      A       52.87.94.70
registry-1.docker.io.   0       IN      A       54.210.105.17

;; Query time: 54 msec
;; SERVER: 192.168.10.1#53(192.168.10.1)
;; WHEN: Fri Nov 08 08:51:42 CET 2019
;; MSG SIZE  rcvd: 177