I have managed to get as far as trying to connect to the server, but it seems not to be able to find the URL, but I might be mistaken. Here are the logs.
Jan 30 15:29:50 xxxxxxxxxxx systemd[1]: Started Mender OTA update service.
Jan 30 15:29:51 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:51Z" level=info msg="Loaded configuration file: /var/lib/mender/mender.conf"
Jan 30 15:29:51 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:51Z" level=info msg="Loaded configuration file: /etc/mender/mender.conf"
Jan 30 15:29:51 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:51Z" level=info msg="'UpdateControlMapExpirationTimeSeconds' is not set in the Mender configuration file. Falling back to the default of 2*UpdatePollIntervalSeconds"
Jan 30 15:29:51 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:51Z" level=info msg="'UpdateControlMapBootExpirationTimeSeconds' is not set in the Mender configuration file. Falling back to the default of 600 seconds"
Jan 30 15:29:52 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:52Z" level=info msg="Mender running on partition: /dev/mmcblk0p2"
Jan 30 15:29:52 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:52Z" level=info msg="State transition: init [none] -> init [none]"
Jan 30 15:29:52 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:52Z" level=info msg="State transition: init [none] -> idle [Idle]"
Jan 30 15:29:52 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:52Z" level=info msg="State transition: idle [Idle] -> check-wait [Idle]"
Jan 30 15:29:52 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:52Z" level=info msg="State transition: check-wait [Idle] -> inventory-update [Sync]"
Jan 30 15:29:52 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:52Z" level=info msg="Output (stderr) from command \"/usr/share/mender/inventory/mender-inventory-geo\": /usr/share/mender/inventory/mender-inventory-geo: Unable to get IP info from ipinfo.io"
Jan 30 15:29:52 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:52Z" level=warning msg="Inventory tool /usr/share/mender/inventory/mender-inventory-geo wait failed: exit status 2"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=info msg="Device unauthorized; attempting reauthorization"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=info msg="Output (stderr) from command \"/usr/share/mender/identity/mender-device-identity\": using interface /sys/class/net/eth0"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=error msg="Failure occurred while executing authorization request: Method: Post, URL: https://xxx-xxxxxx.yyyyyy-yyyyy.co.uk/api/devices/v1/authentication/auth_requests"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=error msg="Failed to authorize with \"https://xxx-xxxxxx.yyyyyy-yyyyy.co.uk\": Unknown url.Error type: dial tcp: lookup xxx-xxxxxx.yyyyyy-yyyyy.co.uk on 127.0.0.1:53: server misbehaving"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=warning msg="Reauthorization failed with error: transient error: authorization request failed"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=error msg="Failed to submit inventory data: transient error: authorization request failed"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=error msg="inventory submit failed: transient error: authorization request failed"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=warning msg="Failed to refresh inventory: failed to submit inventory data: inventory submit failed: transient error: authorization request failed"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=info msg="State transition: inventory-update [Sync] -> inventory-update-retry-wait [Sync]"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=info msg="Handle update inventory retry state try: 0"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=info msg="Output (stderr) from command \"/usr/share/mender/inventory/mender-inventory-geo\": /usr/share/mender/inventory/mender-inventory-geo: Unable to get IP info from ipinfo.io"
Jan 30 15:29:53 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:53Z" level=warning msg="Inventory tool /usr/share/mender/inventory/mender-inventory-geo wait failed: exit status 2"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=info msg="Device unauthorized; attempting reauthorization"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=info msg="Output (stderr) from command \"/usr/share/mender/identity/mender-device-identity\": using interface /sys/class/net/eth0"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=error msg="Failure occurred while executing authorization request: Method: Post, URL: https://xxx-xxxxxx.yyyyyy-yyyyy.co.uk/api/devices/v1/authentication/auth_requests"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=error msg="Failed to authorize with \"https://xxx-xxxxxx.yyyyyy-yyyyy.co.uk\": Unknown url.Error type: dial tcp: lookup xxx-xxxxxx.yyyyyy-yyyyy.co.uk on 127.0.0.1:53: server misbehaving"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=warning msg="Reauthorization failed with error: transient error: authorization request failed"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=error msg="Failed to submit inventory data: transient error: authorization request failed"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=error msg="inventory submit failed: transient error: authorization request failed"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=warning msg="Failed to refresh inventory: failed to submit inventory data: inventory submit failed: transient error: authorization request failed"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=warning msg="RetryPollIntervalSeconds is not defined"
Jan 30 15:29:54 xxxxxxxxxxx mender[422]: time="2024-01-30T15:29:54Z" level=info msg="Wait 1m0s before next inventory update attempt in 59.999954241s"