[Pdns-users] [Error] No delegation for zone 'subdomain.domain.tld' in parent 'domain.tld'

[George Asenov]

Hello,

We have the following set up:
several Hidden BIND masters notifyig hidden SuperSlave PDNS with mysql 
backend "MariaDB" which is replicated to around 30 servers using PDNS 
authoritative servers at the edge .

The same PDNS server/s hosts all the zones including NAME SERVERS and 
Zones that using them.

domain.com => NS1/2.domain.com pointed to edge PDNS servers
every BIND master have setup with different Name Servers on domain.com 
like NS3.domain.com (also pinted to the same pdns servers)
  users use NS3.domain.com to point their domains like
client.tld -> NS3.domain.com

All these zones are on the same PDNS server

Everything is working but:
When some user add subdomain.userdomain.tld along with the 
userdomain.tld we add 2 separate zones with the same NS3.domain.com in them

So in domains table there are:
subdomain.userdomain.tld
and
userdomain.tld

For those domains
pdnsutil check-all-zones give the follwing error:
[Error] No delegation for zone 'subdomain.userdomain.tld'  in parent 
'userdomain.tld'

Bind do not complain

I think this is not an issue - the domains are working fine and resolving.

But can this cause the following errors that we have in all edge slaves:
==========================================
pdns_server: Backend error (retry once): GSQLBackend lookup query:Could 
not execute mysql statement: SELECT 
content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE 
disabled=0 and type=? and name=
?: Lost connection to MySQL server during query
===========================================

and

============================================

pdns_server: Backend reported permanent error which prevented lookup 
(GSQLBackend lookup query:Could not execute mysql statement: SELECT 
content,ttl,prio,type,domain_id,disabled,name,auth FROM records WHERE di
sabled=0 and type=? and name=?: Lost connection to MySQL server during 
query), aborting
============================================

I'm unable to squeeze more even with loglevel=6 and log-dns-details=yes

PDNS version 4.1.13
mysql 10.3.22-MariaDB

-- 
Warm regards
George A.
WPXHosting