Установил ДНС сервер на CentOS6. Настроил конфигурационный файл. Ругается при рестарте

[root@unbound unbound]# /etc/init.d/unbound restart
Stopping unbound: [FAILED]
Starting unbound: Nov 17 21:11:42 unbound[25527:0] warning: increased limit(open files) from 1024 to 1974
[ OK ]

#
# See unbound.conf(5) man page.
#
# this is a comment.

#Use this to include other text into the file.
#include: "otherfile.conf"

# The server clause sets the main parameters.
server:
# whitespace is not necessary, but looks cleaner.

# verbosity number, 0 is least verbose. 1 is default.
verbosity: 1

# print statistics to the log (for every thread) every N seconds.
# Set to "" or 0 to disable. Default is disabled.
# Needed for munin plugin
statistics-interval: 0

# enable cumulative statistics, without clearing them after printing.
# Needed for munin plugin
statistics-cumulative: no

# enable extended statistics (query types, answer codes, status)
# printed from unbound-control. default off, because of speed.
# Needed for munin plugin
extended-statistics: yes

# number of threads to create. 1 disables threading.
num-threads: 2

# specify the interfaces to answer queries from by ip-address.
# The default is to listen to localhost (127.0.0.1 and ::1).
# specify 0.0.0.0 and ::0 to bind to all available interfaces.
# specify every interface on a new 'interface:' labelled line.
# The listen interfaces are not changed on reload, only on restart.
interface: 95.86.128.67
# interface: ::0
# interface: 192.0.2.153
# interface: 192.0.2.154
# interface: 2001:DB8::5

# enable this feature to copy the source address of queries to reply.
# Socket options are not supported on all platforms. experimental.
# NOTE: Enable this option when specifying interface 0.0.0.0 or ::0
# NOTE: Disabled per Fedora policy not to listen to * on default install
# interface-automatic: yes
interface-automatic: no

# port to answer queries from
port: 53

# specify the interfaces to send outgoing queries to authoritative
# server from by ip-address. If none, the default (all) interface
# is used. Specify every interface on a 'outgoing-interface:' line.
outgoing-interface: 95.86.128.67
# outgoing-interface: 2001:DB8::5
# outgoing-interface: 2001:DB8::6

# number of ports to allocate per thread, determines the size of the
# port range that can be open simultaneously.
outgoing-range: 950

# permit unbound to use this port number or port range for
# making outgoing queries, using an outgoing interface.
# outgoing-port-permit: 32768

# deny unbound the use this of port number or port range for
# making outgoing queries, using an outgoing interface.
# Use this to make sure unbound does not grab a UDP port that some
# other server on this computer needs. The default is to avoid
# IANA-assigned port numbers.
# outgoing-port-avoid: "3200-3208"

# number of outgoing simultaneous tcp buffers to hold per thread.
# outgoing-num-tcp: 10

# number of incoming simultaneous tcp buffers to hold per thread.
# incoming-num-tcp: 10

# buffer size for UDP port 53 incoming (SO_RCVBUF socket option).
# 0 is system default. Use 4m to catch query spikes for busy servers.
so-rcvbuf: 4

# EDNS reassembly buffer to advertise to UDP peers (the actual buffer
# is set with msg-buffer-size). 1480 can solve fragmentation (timeouts).
# edns-buffer-size: 4096

# buffer size for handling DNS data. No messages larger than this
# size can be sent or received, by UDP or TCP. In bytes.
# msg-buffer-size: 65552

# the amount of memory to use for the message cache.
# plain value in bytes or you can append k, m or G. default is "4Mb".
msg-cache-size: 50m

# the number of slabs to use for the message cache.
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
msg-cache-slabs: 4

# the number of queries that a thread gets to service.
num-queries-per-thread: 4096

# if very busy, 50% queries run to completion, 50% get timeout in msec
# jostle-timeout: 200

# the amount of memory to use for the RRset cache.
# plain value in bytes or you can append k, m or G. default is "4Mb".
rrset-cache-size: 100m

# the number of slabs to use for the RRset cache.
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
rrset-cache-slabs: 4

# the time to live (TTL) value lower bound, in seconds. Default 0.
# If more than an hour could easily give trouble due to stale data.
# cache-min-ttl: 0

# the time to live (TTL) value cap for RRsets and messages in the
# cache. Items are not cached for longer. In seconds.
# cache-max-ttl: 86400

# the time to live (TTL) value for cached roundtrip times and
# EDNS version information for hosts. In seconds.
# infra-host-ttl: 900

# the time to live (TTL) value for cached lame delegations. In sec.
# infra-lame-ttl: 900

# the number of slabs to use for the Infrastructure cache.
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
infra-cache-slabs: 4

# the maximum number of hosts that are cached (roundtrip times, EDNS).
# infra-cache-numhosts: 10000

# the maximum size of the lame zones cached per host. in bytes.
# infra-cache-lame-size: 10k

# Enable IPv4, "yes" or "no".
do-ip4: yes

# Enable IPv6, "yes" or "no".
# do-ip6: yes

# Enable UDP, "yes" or "no".
do-udp: yes

# Enable TCP, "yes" or "no".
do-tcp: yes

# upstream connections use TCP only (and no UDP), "yes" or "no"
# useful for tunneling scenarios, default no.
# tcp-upstream: no

# Detach from the terminal, run in background, "yes" or "no".
# do-daemonize: yes

# control which clients are allowed to make (recursive) queries
# to this server. Specify classless netblocks with /size and action.
# By default everything is refused, except for localhost.
# Choose deny (drop message), refuse (polite error reply),
# allow (recursive ok), allow_snoop (recursive and nonrecursive ok)
access-control: 95.86.128.0/18 allow
access-control: 0.0.0.0/0 refuse
# access-control: ::0/0 refuse
# access-control: ::1 allow
access-control: ::ffff:127.0.0.1 allow

# if given, a chroot(2) is done to the given directory.
# i.e. you can chroot to the working directory, for example,
# for extra security, but make sure all files are in that directory.
#
# If chroot is enabled, you should pass the configfile (from the
# commandline) as a full path from the original root. After the
# chroot has been performed the now defunct portion of the config
# file path is removed to be able to reread the config after a reload.
#
# All other file paths (working dir, logfile, roothints, and
# key files) can be specified in several ways:
# o as an absolute path relative to the new root.
# o as a relative path to the working directory.
# o as an absolute path relative to the original root.
# In the last case the path is adjusted to remove the unused portion.
#
# The pid file can be absolute and outside of the chroot, it is
# written just prior to performing the chroot and dropping permissions.
#
# Additionally, unbound may need to access /dev/random (for entropy).
# How to do this is specific to your OS.
#
# If you give "" no chroot is performed. The path must not end in a /.
chroot: "/var/lib/unbound"
# chroot: ""

# if given, user privileges are dropped (after binding port),
# and the given username is assumed. Default is user "unbound".
# If you give "" no privileges are dropped.
username: "unbound"

# the working directory. The relative files in this config are
# relative to this directory. If you give "" the working directory
# is not changed.
directory: "/etc/unbound"

# the log file, "" means log to stderr.
# Use of this option sets use-syslog to "no".
logfile: "/var/log/unbound.log"

# Log to syslog(3) if yes. The log facility LOG_DAEMON is used to
# log to, with identity "unbound". If yes, it overrides the logfile.
use-syslog: no

# print UTC timestamp in ascii to logfile, default is epoch in seconds.
log-time-ascii: yes

# the pid file. Can be an absolute path outside of chroot/work dir.
pidfile: "/var/run/unbound/unbound.pid"

# file to read root hints from.
# get one from ftp://FTP.INTERNIC.N...ain/named.cache
root-hints: "/etc/unbound/named.cache"

# enable to not answer id.server and hostname.bind queries.
hide-identity: yes

# enable to not answer version.server and version.bind queries.
hide-version: yes

# the identity to report. Leave "" or default to return hostname.
identity: "DNS"

# the version to report. Leave "" or default to return package version.
# version: "1.4"

# the target fetch policy.
# series of integers describing the policy per dependency depth.
# The number of values in the list determines the maximum dependency
# depth the recursor will pursue before giving up. Each integer means:
# -1 : fetch all targets opportunistically,
# 0: fetch on demand,
# positive value: fetch that many targets opportunistically.
# Enclose the list of numbers between quotes ("").
# target-fetch-policy: "3 2 1 0 0"

# Harden against very small EDNS buffer sizes.
# harden-short-bufsize: no

# Harden against unseemly large queries.
# harden-large-queries: no

# Harden against out of zone rrsets, to avoid spoofing attempts.
harden-glue: yes

# Harden against receiving dnssec-stripped data. If you turn it
# off, failing to validate dnskey data for a trustanchor will
# trigger insecure mode for that zone (like without a trustanchor).
# Default on, which insists on dnssec data for trust-anchored zones.
harden-dnssec-stripped: yes

# Harden the referral path by performing additional queries for
# infrastructure data. Validates the replies (if possible).
# Default off, because the lookups burden the server. Experimental
# implementation of draft-wijngaards-dnsext-resolver-side-mitigation.
harden-referral-path: yes

# Use 0x20-encoded random bits in the query to foil spoof attempts.
# This feature is an experimental implementation of draft dns-0x20.
use-caps-for-id: yes

# Enforce privacy of these addresses. Strips them away from answers.
# It may cause DNSSEC validation to additionally mark it as bogus.
# Protects against 'DNS Rebinding' (uses browser as network proxy).
# Only 'private-domain' and 'local-data' names are allowed to have
# these private addresses. No default.
# private-address: 10.0.0.0/8
# private-address: 172.16.0.0/12
# private-address: 192.168.0.0/16
# private-address: 192.254.0.0/16
# private-address: fd00::/8
# private-address: fe80::/10

# Allow the domain (and its subdomains) to contain private addresses.
# local-data statements are allowed to contain private addresses too.
# private-domain: "example.com"

# If nonzero, unwanted replies are not only reported in statistics,
# but also a running total is kept per thread. If it reaches the
# threshold, a warning is printed and a defensive action is taken,
# the cache is cleared to flush potential poison out of it.
# A suggested value is 10000000, the default is 0 (turned off).
unwanted-reply-threshold: 10000000

# Do not query the following addresses. No DNS queries are sent there.
# List one address per entry. List classless netblocks with /size,
do-not-query-address: 127.0.0.1/8
# do-not-query-address: ::1

# if yes, the above default do-not-query-address entries are present.
# if no, localhost can be queried (for testing and debugging).
do-not-query-localhost: yes

# if yes, perform prefetching of almost expired message cache entries.
prefetch: yes

# if yes, perform key lookups adjacent to normal lookups.
prefetch-key: yes

# module configuration of the server. A string with identifiers
# separated by spaces. "iterator" or "validator iterator"
module-config: "iterator"

# File with DLV trusted keys. Same format as trust-anchor-file.
# There can be only one DLV configured, it is trusted from root down.
# Downloaded from https://secure.isc.o...dlv.isc.org.key
dlv-anchor-file: "/etc/unbound/dlv.isc.org.key"

# File with trusted keys for validation. Specify more than one file
# with several entries, one file per entry.
# Zone file format, with DS and DNSKEY entries.
# trust-anchor-file: ""

# File with trusted keys, kept uptodate using RFC5011 probes,
# initial file like trust-anchor-file, then it stores metadata.
# Use several entries, one per domain name, to track multiple zones.
# auto-trust-anchor-file: ""

# Trusted key for validation. DS or DNSKEY. specify the RR on a
# single line, surrounded by "". TTL is ignored. class is IN default.
# (These examples are from August 2007 and may not be valid anymore).
# trust-anchor: "nlnetlabs.nl. DNSKEY 257 3 5 AQPzzTWMz8qSWIQlfRnPckx2BiVmkVN6LPupO3mbz7FhLSnm26n6iG9N Lby97Ji453aWZY3M5/xJBSOS2vWtco2t8C0+xeO1bc/d6ZTy32DHchpW 6rDH1vp86Ll+ha0tmwyy9QP7y2bVw5zSbFCrefk8qCUBgfHm9bHzMG1U BYtEIQ=="
# trust-anchor: "jelte.nlnetlabs.nl. DS 42860 5 1 14D739EB566D2B1A5E216A0BA4D17FA9B038BE4A"

# File with trusted keys for validation. Specify more than one file
# with several entries, one file per entry. Like trust-anchor-file
# but has a different file format. Format is BIND-9 style format,
# the trusted-keys { name flag proto algo "key"; }; clauses are read.
# trusted-keys-file: ""
trusted-keys-file: /etc/unbound/root.key

# Ignore chain of trust. Domain is treated as insecure.
# domain-insecure: "example.com"

# Override the date for validation with a specific fixed date.
# Do not set this unless you are debugging signature inception
# and expiration. "" or "0" turns the feature off.
# val-override-date: ""

# The time to live for bogus data, rrsets and messages. This avoids
# some of the revalidation, until the time interval expires. in secs.
# val-bogus-ttl: 60

# The signature inception and expiration dates are allowed to be off
# by 10% of the lifetime of the signature from our local clock.
# This leeway is capped with a minimum and a maximum. In seconds.
# val-sig-skew-min: 3600
# val-sig-skew-max: 86400

# Should additional section of secure message also be kept clean of
# unsecure data. Useful to shield the users of this validator from
# potential bogus data in the additional section. All unsigned data
# in the additional section is removed from secure messages.
val-clean-additional: yes

# Turn permissive mode on to permit bogus messages. Thus, messages
# for which security checks failed will be returned to clients,
# instead of SERVFAIL. It still performs the security checks, which
# result in interesting log files and possibly the AD bit in
# replies if the message is found secure. The default is off.
# NOTE: TURNING THIS ON DISABLES ALL DNSSEC SECURITY
val-permissive-mode: no

# Have the validator log failed validations for your diagnosis.
# 0: off. 1: A line per failed user query. 2: With reason and bad IP.
val-log-level: 1

# It is possible to configure NSEC3 maximum iteration counts per
# keysize. Keep this table very short, as linear search is done.
# A message with an NSEC3 with larger count is marked insecure.
# List in ascending order the keysize and count values.
# val-nsec3-keysize-iterations: "1024 150 2048 500 4096 2500"

# instruct the auto-trust-anchor-file probing to add anchors after ttl.
# add-holddown: 2592000 # 30 days

# instruct the auto-trust-anchor-file probing to del anchors after ttl.
# del-holddown: 2592000 # 30 days

# auto-trust-anchor-file probing removes missing anchors after ttl.
# If the value 0 is given, missing anchors are not removed.
# keep-missing: 31622400 # 366 days

# the amount of memory to use for the key cache.
# plain value in bytes or you can append k, m or G. default is "4Mb".
# key-cache-size: 4m

# the number of slabs to use for the key cache.
# the number of slabs must be a power of 2.
# more slabs reduce lock contention, but fragment memory usage.
key-cache-slabs: 4

# the amount of memory to use for the negative cache (used for DLV).
# plain value in bytes or you can append k, m or G. default is "1Mb".
# neg-cache-size: 1m

# a number of locally served zones can be configured.
# local-zone: <zone> <type>
# local-data: "<resource record string>"
# o deny serves local data (if any), else, drops queries.
# o refuse serves local data (if any), else, replies with error.
# o static serves local data, else, nxdomain or nodata answer.
# o transparent serves local data, but resolves normally for other names
# o redirect serves the zone data for any subdomain in the zone.
# o nodefault can be used to normally resolve AS112 zones.
#
# defaults are localhost address, reverse for 127.0.0.1 and ::1
# and nxdomain for AS112 zones. If you configure one of these zones
# the default content is omitted, or you can omit it with 'nodefault'.
#
# If you configure local-data without specifying local-zone, by
# default a transparent local-zone is created for the data.
#
# You can add locally served data with
# local-zone: "local." static
# local-data: "mycomputer.local. IN A 192.0.2.51"
# local-data: 'mytext.local TXT "content of text record"'
#
# You can override certain queries with
# local-data: "adserver.example.com A 127.0.0.1"
#
# You can redirect a domain to a fixed address with
# (this makes example.com, www.example.com, etc, all go to 192.0.2.3)
# local-zone: "example.com" redirect
# local-data: "example.com A 192.0.2.3"
#
# Shorthand to make PTR records, "IPv4 name" or "IPv6 name".
# You can also add PTR records using local-data directly, but then
# you need to do the reverse notation yourself.
# local-data-ptr: "192.0.2.3 www.example.com"

## Python config section. To enable:
## o use --with-pythonmodule to configure before compiling.
## o list python in the module-config string (above) to enable.
## o and give a python-script to run.
#python:
# # Script file to load
# # python-script: "/etc/unbound/ubmodule-tst.py"

# Remote control config section.
remote-control:
# Enable remote control with unbound-control(8) here.
# set up the keys and certificates with unbound-control-setup.
# Note: required for unbound-munin package
control-enable: no

# what interfaces are listened to for remote control.
# give 0.0.0.0 and ::0 to listen to all interfaces.
# control-interface: 127.0.0.1
# control-interface: ::1

# port number for remote control operations.
# control-port: 953

# unbound server key file.
# server-key-file: ""/etc/unbound/unbound_server.key""

# unbound server certificate file.
# server-cert-file: "/etc/unbound/unbound_server.pem"

# unbound-control key file.
# control-key-file: "/etc/unbound/unbound_control.key"

# unbound-control certificate file.
# control-cert-file: "/etc/unbound/unbound_control.pem"

# Stub zones.
# Create entries like below, to make all queries for 'example.com' and
# 'example.org' go to the given list of nameservers. list zero or more
# nameservers by hostname or by ipaddress. If you set stub-prime to yes,
# the list is treated as priming hints (default is no).
# stub-zone:
# name: "example.com"
# stub-addr: 192.0.2.68
# stub-prime: "no"
# stub-zone:
# name: "example.org"
# stub-host: ns.example.com.

# Forward zones
# Create entries like below, to make all queries for 'example.com' and
# 'example.org' go to the given list of servers. These servers have to handle
# recursion to other nameservers. List zero or more nameservers by hostname
# or by ipaddress. Use an entry with name "." to forward all queries.
# forward-zone:
# name: "example.com"
# forward-addr: 192.0.2.68
# forward-addr: 192.0.2.73@5355 # forward to port 5355.
# forward-zone:
# name: "example.org"
# forward-host: fwd.example.com