Domaincheck container is not running.

services:
  nextcloud-aio-mastercontainer:
    image: nextcloud/all-in-one:latest
    restart: always
    container_name: nextcloud-aio-mastercontainer
    volumes:
      - nextcloud_aio_mastercontainer:/mnt/docker-aio-config #DO NOT CHANGE
      - /var/run/docker.sock:/var/run/docker.sock:ro
    ports:
      - 80:80
      - 8066:8080   ##CONFIGURATION
      - 8443:8443
      - 443:443
      - 3478:3478
    environment:
      - NEXTCLOUD_DATADIR=/ZFS/AppData/Nextcloud_data 

volumes:
  nextcloud_aio_mastercontainer:
    name: nextcloud_aio_mastercontainer