named не удаляет старые записи PTR...

Dec 29 14:01:07 jupiter dhcpd: DHCPREQUEST for 192.168.5.32 from 00:50:56:aa:aa:b3 via eth0: lease 192.168.5.32 unavailable.
Dec 29 14:01:07 jupiter dhcpd: DHCPNAK on 192.168.5.32 to 00:50:56:aa:aa:b3 via eth0
Dec 29 14:01:07 jupiter dhcpd: DHCPDISCOVER from 00:50:56:aa:aa:b3 via eth0
Dec 29 14:01:08 jupiter dhcpd: DHCPOFFER on 192.168.6.46 to 00:50:56:aa:aa:b3 (soft10) via eth0
Dec 29 14:01:08 jupiter named[5483]: client 127.0.0.1#38892: updating zone 'ezsk.local/IN': update unsuccessful: soft10.ezsk.local: 'name not in use' prerequisite not satisfied (YXDOMAIN)
Dec 29 14:01:08 jupiter dhcpd: DHCPREQUEST for 192.168.6.46 (192.168.0.22) from 00:50:56:aa:aa:b3 (soft10) via eth0
Dec 29 14:01:08 jupiter dhcpd: DHCPACK on 192.168.6.46 to 00:50:56:aa:aa:b3 (soft10) via eth0
Dec 29 14:01:08 jupiter named[5483]: client 127.0.0.1#38892: signer "dhcp_updater" approved
Dec 29 14:01:08 jupiter named[5483]: client 127.0.0.1#38892: updating zone 'ezsk.local/IN': deleting rrset at 'soft10.ezsk.local' A
Dec 29 14:01:08 jupiter named[5483]: client 127.0.0.1#38892: updating zone 'ezsk.local/IN': adding an RR at 'soft10.ezsk.local' A
Dec 29 14:01:08 jupiter dhcpd: Added new forward map from soft10.ezsk.local to 192.168.6.46
Dec 29 14:01:08 jupiter named[5483]: client 127.0.0.1#38892: signer "dhcp_updater" approved
Dec 29 14:01:08 jupiter named[5483]: client 127.0.0.1#38892: updating zone '168.192.in-addr.arpa/IN': deleting rrset at '46.6.168.192.in-addr.arpa' PTR
Dec 29 14:01:08 jupiter named[5483]: client 127.0.0.1#38892: updating zone '168.192.in-addr.arpa/IN': adding an RR at '46.6.168.192.in-addr.arpa' PTR
Dec 29 14:01:08 jupiter dhcpd: Added reverse map from 46.6.168.192.in-addr.arpa. to soft10.ezsk.local

authoritative;
ddns-update-style interim;
deny client-updates;

option domain-name "tehsat.local";
option domain-name-servers ns.tehsat.local, ns2.tehsat.local;

default-lease-time 129600; # 36 hrs
max-lease-time 259200; # 72 hrs

# pxelinux-specified options
option space pxelinux;
option pxelinux.magic           code 208 = string;
option pxelinux.configfile      code 209 = text;
option pxelinux.pathprefix      code 210 = text;
option pxelinux.reboottime      code 211 = unsigned integer 32;

log-facility local7;

#failover peer "om" {
#       primary;
#       address s1.tehsat.local;
#       port 519;
#       peer address s2.tehsat.local;
#       peer port 519;
#       max-response-delay 60;
#       max-unacked-updates 10;
#       mclt 3600;
#       split 128;
#       load balance max seconds 3;
#}

class ”proxy-direct” {
	match pick-first-value (option dhcp-client-identifier, hardware);
}

subclass  “proxy-direct” 1:00:50:56:aa:aa:b3; # soft10

subnet 192.168.0.0 netmask 255.255.248.0 {
        option routers                          guard.tehsat.local;
        option subnet-mask                      255.255.248.0;

        option nis-domain                       "tehsat.local";
        option domain-name                      "tehsat.local";
        option domain-name-servers              ns.tehsat.local, ns2.tehsat.local;

        option time-offset                      10800; # +3 hrs
        option ntp-servers                      time.tehsat.local;
        option smtp-server                      mail.tehsat.local;
        option netbios-name-servers             ns.tehsat.local;
        option x-display-manager                axis.tehsat.local;
        option font-servers                     axis.tehsat.local;

        # Diskless-clients
        next-server 192.168.0.22;
        vendor-option-space pxelinux;
        option pxelinux.magic f1:00:74:7e;
        option pxelinux.configfile = concat("pxelinux.cfg/", binary-to-ascii(16, 8, ":", hardware));
        filename "pxelinux.0";

        pool {
#               failover peer "om";
                deny dynamic bootp clients;
  deny-members of “proxy-direct”;
                range 192.168.0.10 192.168.0.15;
                default-lease-time 129600; # 36 hrs
                max-lease-time 259200; # 72 hrs
        }

        pool {
                deny dynamic bootp clients;
  allow-members of “proxy-direct”;
                range 192.168.6.45 192.168.6.150;
                default-lease-time 129600; # 36 hrs
                max-lease-time 259200; # 72 hrs
        }


        # DDNS update zones
                key DHCP_UPDATER {
                algorithm HMAC-MD5.SIG-ALG.REG.INT;
                secret "M+vizWjgx/EpMiIifvRjTw==";
        };
        zone tehsat.local. {
                primary 127.0.0.1l;
                key DHCP_UPDATER;
        }
        zone 168.192.in-addr.arpa. {
                primary 127.0.0.1;
                key DHCP_UPDATER;
        }
}

//
// Do any local configuration here
//

// Consider adding the 1918 zones here, if they are not used in your
// organization
//include "/etc/bind/zones.rfc1918";

key DHCP_UPDATER {
                algorithm HMAC-MD5.SIG-ALG.REG.INT;
                secret "M+vizWjgx/EpMiIifvRjTw==";
      };


zone "tehsat.local" {
    type master;
    file "tehsat.local";
    allow-update { key DHCP_UPDATER; };
};

zone "168.192.in-addr.arpa" {
    type master;
    file "168.192.in-addr.arpa";
    allow-update { key DHCP_UPDATER; };
};

zone "tehsat.ru" {
    type master;
    file "tehsat.ru";
};