DHCP отказывается обновлять одну из зон.

option time-servers 192.168.126.6;
option slp-service-scope false "SCOPE_A";
option slp-directory-agent false 192.168.126.4;
option broadcast-address 192.168.127.255;
option subnet-mask 255.255.254.0;
option domain-name "findepvidnoe.ru";
option domain-name-servers 192.168.126.6, 192.168.126.5, 192.168.126.19;
option routers 192.168.126.5;
option ntp-servers 192.168.126.6;
option netbios-name-servers 192.168.126.7;

authoritative;
use-host-decl-names on;
do-forward-updates true;
update-static-leases on;
allow client-updates;

ddns-updates on;
ddns-update-style interim;
ddns-ttl 14400;
ddns-domainname "findepvidnoe.ru";
ddns-rev-domainname "in-addr.arpa";

log-facility local7;

key "rndc-key" {
	algorithm hmac-md5;
	secret "2UZgkOyANF0eC4m0cYqzLQ==";
}

zone findepvidnoe.ru. {
	primary server6.findepvidnoe.ru;
	key rndc-key;
	}

zone 126.168.192.in-addr.arpa. {
	primary server6.findepvidnoe.ru;
	key rndc-key;
	}

zone 127.168.192.in-addr.arpa. {
	primary 192.168.126.6;
	key rndc-key;
	}

shared-network findepvidnoe.ru {
	# Main
	subnet 192.168.126.0 netmask 255.255.255.0 {
		}
	# inet
	subnet 192.168.127.0 netmask 255.255.255.0 {
		authoritative;
		allow client-updates;
		allow unknown-clients;
		ddns-updates on;
		range 192.168.127.100 192.168.127.254;
		}
	}

key "rndc-key" {
	algorithm hmac-md5;
	secret "2UZgkOyANF0eC4m0cYqzLQ==";
	};

acl client {
	192.168.126.0/23;
	192.168.126.5;
	127.0.0.1;
	};
acl slave {
	192.168.126.5;
	};

options {

	directory "/var/lib/named";

	dump-file "/var/log/named_dump.db";
	statistics-file "/var/log/named.stats";

	listen-on port 53 {
		192.168.126.6;
		127.0.0.1;
		};

	allow-query { client; };

	include "/etc/named.d/forwarders.conf";
        allow-transfer { slave; };
	notify yes;
};

logging {
	channel default_ch {
		file "/var/log/named-base.log";
		print-category yes;
		print-time yes;
		};

	channel security_ch {
		file "/var/log/named-security.log";
		print-category yes;
		print-time yes;
		};

	category default {
		default_ch;
		};
	category security {
		security_ch;
		};
};

controls {
	inet 127.0.0.1 port 953 allow { 127.0.0.1; 192.168.126.5; } keys { "rndc-key"; };
	};

zone "." in {
	type hint;
	file "root.hint";
};

zone "localhost" in {
	type master;
	file "localhost.zone";
        allow-transfer { 127.0.0.1; };
};

zone "0.0.127.in-addr.arpa" in {
	type master;
	file "127.0.0.zone";
        allow-transfer { 127.0.0.1; };
};

include "/etc/named.conf.include";

zone "findepvidnoe.ru" in {
	type master;
	file "/var/lib/named/master/findepvidnoe.ru.hosts";
	notify yes;
	allow-update { key rndc-key; };
        allow-transfer { slave; };
        allow-query { any; };
};
zone "126.168.192.in-addr.arpa" {
	type master;
	file "/var/lib/named/master/192.168.126.0.rev";
	allow-update { key rndc-key; };
        allow-transfer { slave; };
        allow-query { any; };
	notify yes;
	};
zone "127.168.192.in-addr.arpa" {
	type master;
	file "/var/lib/named/master/192.168.127.0.rev";
	allow-update { key rndc-key; };
        allow-transfer { slave; };
        allow-query { any; };
	notify yes;
	};

# ls -l
total 28
-rw-rw-r-- 1 named named  809 Aug 23 10:49 192.168.126.0.rev
-rw-rw-r-- 1 named named 1707 Aug 23 10:46 192.168.126.0.rev.jnl
-rw-rw-r-- 1 named named    0 Aug 23 10:54 192.168.127.0.rev
-rw-rw-r-- 1 named named 1368 Aug 22 09:10 _msdcs.findepvidnoe.ru
-rw-rw-r-- 1 named named 2583 Aug 23 10:55 findepvidnoe.ru.hosts
-rw-rw-r-- 1 named named  863 Aug 23 10:55 findepvidnoe.ru.hosts.jnl

Aug 23 15:05:41 server6 dhcpd: DHCPREQUEST for 192.168.127.202 from 00:ee:bd:44:18:e5 via eth0
Aug 23 15:05:41 server6 dhcpd: DHCPACK on 192.168.127.202 to 00:ee:bd:44:18:e5 (android-c09325f52f114193) via eth0
Aug 23 15:05:41 server6 dhcpd: Added new forward map from android-c09325f52f114193.findepvidnoe.ru to 192.168.127.202
Aug 23 15:05:41 server6 dhcpd: Unable to add reverse map from 202.127.168.192.in-addr.arpa to android-c09325f52f114193.findepvidnoe.ru: SERVFAIL