NS records with that host already exist. (Code: 81056)

[sobujbd]

I'm bit confuse about this description - DNS Records

You will need to add some DNS records on your domain's regular DNS server:

NS record for auth.example.org pointing to auth.example.org (this means, that auth.example.org is responsible for any *.auth.example.org records)
A record for auth.example.org pointing to 198.51.100.1

On Cloudflare
I do able to add this,

Type	Name	Content
NS	acme-dns	acme-dns.example.org

But, When I'm trying to add this,

A	acme-dns	89.89.89.89

I had received NS records with that host already exist. (Code: 81056)

And If I add the DNS record such as way,

Type	Name	Content
NS	acme-dns	ns.acme-dns.example.org
A	ns.acme-dns	89.89.89.89

And set the config.cfg file

# domain name to serve the requests off of
domain = "acme-dns.example.org"
# zone name server
nsname = "ns.acme-dns.example.org"
# admin email address, where @ is substituted with .
nsadmin = "admin.ns.acme-dns.example.org"
# predefined records served in addition to the TXT
records = [
    # domain pointing to the public IP of your acme-dns server 
    "acme-dns.example.org. A 89.89.89.89",
    "ns.acme-dns.example.org. A 89.89.89.89",
    # specify that auth.example.org will resolve any *.auth.example.org records
    "acme-dns.example.org. NS ns.acme-dns.example.org.",
]

The host acme-dns.example.org could not resolve!

How do you setup this - https://toolbox.googleapps.com/apps/dig/#NS/@ns.auth.acme-dns.io.

[AvrumFeldman]

From a quick google it seems that Cloudflare doesn't support glue records. Your alternative should be working. Can you confirm that your acme-dns server is responding to queries when directly queried?

[sobujbd]

@AvrumFeldman,

From a quick google it seems that Cloudflare doesn't support glue records. Your alternative should be working. Can you confirm that your acme-dns server is responding to queries when directly queried?

It's something wrong with Cloudflare. As you said, maybe it's that the Cloudflare doesn't support glue records.

This DNS setup instruction works with Namecheap DNS Hosting.

[rodrigodc]

It works with Cloudflare if you:

• Set A ns-acme-dns pointing to your public IP address in Cloudflare, and
• Set NS acme-dns pointing to ns-acme-dns in Cloudflare, and,
• Start with the default acme-dns config.cfg, and
• Adjust it for your domain name (without the ns- prefix) and public IP address.

The first and second itens work around Cloudflare's limitation NS records with that host already exist. (Code: 81056).

[gruentee]

Nice, thanks for the hint. I'll try that .