On 3/9/2026 at 10:50 PM, Kilrah said:

Looks like you're trying to update an A record with an ipv6 address...

I've don't know anything about v6, see container doc/issues?

it was image issues , latest update today was fixed ...

I have been using this container for a while but due to a server issue had to re-install it. Now when I run it it just logs:

cloudflare-ddns v2.1.2

Using config.json configuration

and it then stops with no logging of any changes etc.

My config file (with redactions) which previously worked on the old install is below:

{

"cloudflare": [

{

"authentication": {

"api_token": "cfut_oXXXXXX91"

},

"zone_id": "62dXXXXX1d",

"subdomains": [

{

"name": "plex",

"proxied": true

}

]

}

],

"a": true,

"aaaa": true,

"purgeUnknownRecords": false,

"ttl": 300,

"ip4_provider": "cloudflare.trace",

"ip6_provider": "cloudflare.trace"

}

Try dropping the providers, works here without them

On 6/12/2026 at 10:21 PM, Kilrah said:

Try dropping the providers, works here without them

I have removed the providers, looking at the logs more I have actually seen there is another error:

root@NAS:~# docker logs -f Cloudflare-DDNS-config

cloudflare-ddns v2.1.2

Using config.json configuration

Error reading config.json: Is a directory (os error 21)

The config value in the Docker config is

/mnt/user/system/Docker/Cloudflare-DDNS-config/

The results of an ls -ld is

root@NAS:~# ls -ld /mnt/user/system/Docker/Cloudflare-DDNS-config/

drwxr-xr-x 1 nobody users 22 Jun 16 09:56 /mnt/user/system/Docker/Cloudflare-DDNS-config//

8 hours ago, cal.walker1 said:

The config value in the Docker config is

/mnt/user/system/Docker/Cloudflare-DDNS-config/

See the first post and default value, it must point to the file itself

/mnt/user/appdata/cloudflare-ddns-config/config.json

54 minutes ago, Kilrah said:

See the first post and default value, it must point to the file itself

/mnt/user/appdata/cloudflare-ddns-config/config.json

Im sorry this is extremely embarrassing!! 😅

Thank you that has fixed it! I’m not sure whether alternate wording or hint text could be more specific? But then again I probably still would have made the same mistake!