Выполнил указанные Вами команды и нашёл в логах ошибку:
/etc/bind/named.conf:12: open: var/lib/samba/private/named.conf: file not found
Это я ошибся когда редактировал файл /etc/bind/named.conf забыл слеш перед var поставить.
Исправил эту ошибку теперь там верный путь: /var/lib/samba/private/named.conf
Перезапустил BIND9 и снова получил ошибку, выкладываю ниже лог:
fantomas@ubuntu-pdc:~$ sudo service bind9 restart
* Stopping domain name service... bind9 rndc: connect failed: 127.0.0.1#953: connection refused
[ OK ]
* Starting domain name service... bind9 [fail]
fantomas@ubuntu-pdc:~$ sudo tail -n 30 /var/log/syslog
May 11 21:59:00 ubuntu-pdc samba[1355]: /usr/sbin/samba_dnsupdate:
May 11 22:06:46 ubuntu-pdc named[2459]: starting BIND 9.9.5-3-Ubuntu -u bind
May 11 22:06:46 ubuntu-pdc named[2459]: built with '--prefix=/usr' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--sysconfdir=/etc/bind' '--localstatedir=/var' '--enable-threads' '--enable-largefile' '--with-libtool' '--enable-shared' '--enable-static' '--with-openssl=/usr' '--with-gssapi=/usr' '--with-gnu-ld' '--with-geoip=/usr' '--with-atf=no' '--enable-ipv6' '--enable-rrl' '--enable-filter-aaaa' 'CFLAGS=-fno-strict-aliasing -DDIG_SIGCHASE -O2'
May 11 22:06:46 ubuntu-pdc named[2459]: ----------------------------------------------------
May 11 22:06:46 ubuntu-pdc named[2459]: BIND 9 is maintained by Internet Systems Consortium,
May 11 22:06:46 ubuntu-pdc named[2459]: Inc. (ISC), a non-profit 501(c)(3) public-benefit
May 11 22:06:46 ubuntu-pdc named[2459]: corporation. Support and training for BIND 9 are
May 11 22:06:46 ubuntu-pdc named[2459]: available at
https://www.isc.org/supportMay 11 22:06:46 ubuntu-pdc named[2459]: ----------------------------------------------------
May 11 22:06:46 ubuntu-pdc named[2459]: adjusted limit on open files from 4096 to 1048576
May 11 22:06:46 ubuntu-pdc named[2459]: found 2 CPUs, using 2 worker threads
May 11 22:06:46 ubuntu-pdc named[2459]: using 2 UDP listeners per interface
May 11 22:06:46 ubuntu-pdc named[2459]: using up to 4096 sockets
May 11 22:06:46 ubuntu-pdc named[2459]: loading configuration from '/etc/bind/named.conf'
May 11 22:06:46 ubuntu-pdc named[2459]: reading built-in trusted keys from file '/etc/bind/bind.keys'
May 11 22:06:46 ubuntu-pdc named[2459]: using default UDP/IPv4 port range: [1024, 65535]
May 11 22:06:46 ubuntu-pdc named[2459]: using default UDP/IPv6 port range: [1024, 65535]
May 11 22:06:46 ubuntu-pdc named[2459]: listening on IPv4 interface lo, 127.0.0.1#53
May 11 22:06:46 ubuntu-pdc named[2459]: listening on IPv4 interface eth0, 192.168.1.19#53
May 11 22:06:46 ubuntu-pdc named[2459]: generating session key for dynamic DNS
May 11 22:06:46 ubuntu-pdc named[2459]: sizing zone task pool based on 5 zones
May 11 22:06:46 ubuntu-pdc named[2459]: zone 'localhost' allows updates by IP address, which is insecure
May 11 22:06:46 ubuntu-pdc named[2459]: zone '127.in-addr.arpa' allows updates by IP address, which is insecure
May 11 22:06:46 ubuntu-pdc named[2459]: zone '0.in-addr.arpa' allows updates by IP address, which is insecure
May 11 22:06:46 ubuntu-pdc named[2459]: zone '255.in-addr.arpa' allows updates by IP address, which is insecure
May 11 22:06:46 ubuntu-pdc named[2459]: Loading 'AD DNS Zone' using driver dlopen
May 11 22:06:46 ubuntu-pdc named[2459]: dlz_dlopen failed to open library '/usr/lib/x86_64-linux-gnu/samba/bind9/dlz_bind9_9.so' - /usr/lib/x86_64-linux-gnu/samba/bind9/dlz_bind9_9.so: failed to map segment from shared object: Permission denied
May 11 22:06:46 ubuntu-pdc named[2459]: dlz_dlopen of 'AD DNS Zone' failed
May 11 22:06:46 ubuntu-pdc kernel: [25100.204055] type=1400 audit(1399835206.185:29): apparmor="DENIED" operation="file_mmap" profile="/usr/sbin/named" name="/usr/lib/x86_64-linux-gnu/samba/bind9/dlz_bind9_9.so" pid=2460 comm="named" requested_mask="m" denied_mask="m" fsuid=107 ouid=0
May 11 22:06:46 ubuntu-pdc kernel: [25100.204250] named[2460]: segfault at a8 ip 00007f248815faf9 sp 00007f2483beb3f0 error 4 in named[7f24880f2000+85000]
fantomas@ubuntu-pdc:~$