Hi,

I'm using
Sep 13 15:26:46 PowerDNS Authoritative Server 3.3 
([email protected]) (C) 2001-2013 PowerDNS.COM BV
Sep 13 15:26:46 Using 64-bits mode. Built on 20130717102032 by 
[email protected], gcc 4.4.5.
Sep 13 15:26:46 PowerDNS comes with ABSOLUTELY NO WARRANTY. This is free 
software, and you are welcome to redistribute it according to the terms of the 
GPL version 2.

I just noticed that an axfr (example:)

dig axfr die-optimisten.net
;; global options: +cmd
die-optimisten.net.     86400   IN      SOA     ns-gmx.ui-dns.org. 
hostmaster.gmx.net. 2012120600 28800 7200 604800 86400
die-optimisten.net.     86400   IN      NS      ns-gmx.ui-dns.org.
die-optimisten.net.     86400   IN      NS      ns-gmx.ui-dns.com.
die-optimisten.net.     86400   IN      NS      ns-gmx.ui-dns.de.
die-optimisten.net.     86400   IN      NS      ns-gmx.ui-dns.biz.
die-optimisten.net.     86400   IN      A       213.165.65.50
die-optimisten.net.     86400   IN      MX      10 mx00.gmx.net.
die-optimisten.net.     86400   IN      MX      10 mx01.gmx.net.
die-optimisten.net.     86400   IN      TXT     "v=spf1 redirect=gmx.net"
_jabber._tcp.die-optimisten.net. 86400 IN SRV   5 0 5269 jabber.gmx.net.
_xmpp-client._tcp.die-optimisten.net. 86400 IN SRV 5 0 5222 jabber.gmx.net.
_xmpp-server._tcp.die-optimisten.net. 86400 IN SRV 5 0 5269 jabber.gmx.net.
imap.die-optimisten.net. 86400  IN      CNAME   imap.gmx.net.
localhost.die-optimisten.net. 86400 IN  A       127.0.0.1
mail.die-optimisten.net. 86400  IN      CNAME   mail.gmx.net.
pop.die-optimisten.net. 86400   IN      CNAME   pop.gmx.net.
smtp.die-optimisten.net. 86400  IN      CNAME   smtp.gmx.net.
www.die-optimisten.net. 86400   IN      CNAME   service.gmx.net.
die-optimisten.net.     86400   IN      SOA     ns-gmx.ui-dns.org. 
hostmaster.gmx.net. 2012120600 28800 7200 604800 86400
;; Query time: 2 msec

I cleaned the zone with

delete from where

and did a

pdns_control retrieve die-optimisten.net

Now the zone looks in the mysql database like this:

mysql> select * from records where domain_id=2734;
+-----------+-----------+--------------------------------------+-------+---------------------------------------------------------------------------+-------+------+---------------------+
| id        | domain_id | name                                 | type  | 
content                                                                   | ttl 
  | prio | change_date         |
+-----------+-----------+--------------------------------------+-------+---------------------------------------------------------------------------+-------+------+---------------------+
| 160510146 |      2734 | die-optimisten.net                   | SOA   | 
ns-gmx.ui-dns.org. hostmaster.gmx.net. 2012120600 28800 7200 604800 86400 | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510147 |      2734 | die-optimisten.net                   | NS    | 
ns-gmx.ui-dns.org                                                         | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510148 |      2734 | die-optimisten.net                   | NS    | 
ns-gmx.ui-dns.com                                                         | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510149 |      2734 | die-optimisten.net                   | NS    | 
ns-gmx.ui-dns.de                                                          | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510150 |      2734 | die-optimisten.net                   | NS    | 
ns-gmx.ui-dns.biz                                                         | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510151 |      2734 | die-optimisten.net                   | A     | 
213.165.65.50                                                             | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510152 |      2734 | die-optimisten.net                   | MX    | 
mx00.gmx.net                                                              | 
86400 |   10 | 2013-09-13 15:30:08 |
| 160510153 |      2734 | die-optimisten.net                   | MX    | 
mx01.gmx.net                                                              | 
86400 |   10 | 2013-09-13 15:30:08 |
| 160510154 |      2734 | die-optimisten.net                   | TXT   | "v=spf1 
redirect=gmx.net"                                                 | 86400 |    0 | 
2013-09-13 15:30:08 |
| 160510155 |      2734 | _jabber._tcp.die-optimisten.net      | SRV   | 0 5269 
jabber.gmx.net                                                     | 86400 |    
5 | 2013-09-13 15:30:08 |
| 160510156 |      2734 | _xmpp-client._tcp.die-optimisten.net | SRV   | 0 5222 
jabber.gmx.net                                                     | 86400 |    
5 | 2013-09-13 15:30:08 |
| 160510157 |      2734 | _xmpp-server._tcp.die-optimisten.net | SRV   | 0 5269 
jabber.gmx.net                                                     | 86400 |    
5 | 2013-09-13 15:30:08 |
| 160510158 |      2734 | imap.die-optimisten.net              | CNAME | 
imap.gmx.net                                                              | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510159 |      2734 | localhost.die-optimisten.net         | A     | 
127.0.0.1                                                                 | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510160 |      2734 | mail.die-optimisten.net              | CNAME | 
mail.gmx.net                                                              | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510161 |      2734 | pop.die-optimisten.net               | CNAME | 
pop.gmx.net                                                               | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510162 |      2734 | smtp.die-optimisten.net              | CNAME | 
smtp.gmx.net                                                              | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510163 |      2734 | www.die-optimisten.net               | CNAME | 
service.gmx.net                                                           | 
86400 |    0 | 2013-09-13 15:30:08 |
| 160510164 |      2734 | _tcp.die-optimisten.net              | NULL  | NULL   
                                                                   |  NULL | 
NULL | 2013-09-13 15:30:08 |
+-----------+-----------+--------------------------------------+-------+---------------------------------------------------------------------------+-------+------+---------------------+
19 rows in set (0.01 sec)

You see record id 160510164.

It wasn't in the axfr. I have longer zones with 20 to 40 NULL records which are duplicates of real names. As long as the type is NULL the select will probably not return them to powerdns, But select * from records where type is null; returns 12561 rows :-(

How do I stop this?

Thomas

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