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Author Topic: DNS not Resolve  (Read 4532 times)

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Offline tuwaga

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DNS not Resolve
« on: 2016-11-23, 03:57:47 »
Hi All Master's...

Mohon bantuannya bila ping dari terminal menggunakan hostname tidak resolve namun bila ping menggunakan IP Address bisa reply.

Quote
# ping google.com
ping: unknown host google.com
# ping 111.95.240.152
PING 111.95.240.152 (111.95.240.152) 56(84) bytes of data.
64 bytes from 111.95.240.152: icmp_seq=1 ttl=61 time=0.714 ms
64 bytes from 111.95.240.152: icmp_seq=2 ttl=61 time=0.540 ms
64 bytes from 111.95.240.152: icmp_seq=3 ttl=61 time=0.543 ms
64 bytes from 111.95.240.152: icmp_seq=4 ttl=61 time=0.568 ms
^C
--- 111.95.240.152 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3493ms
rtt min/avg/max/mdev = 0.540/0.591/0.714/0.073 ms
# ping detik.com
ping: unknown host detik.com
# ping 203.190.242.211
PING 203.190.242.211 (203.190.242.211) 56(84) bytes of data.
64 bytes from 203.190.242.211: icmp_seq=1 ttl=57 time=5.04 ms
64 bytes from 203.190.242.211: icmp_seq=2 ttl=57 time=4.47 ms
64 bytes from 203.190.242.211: icmp_seq=3 ttl=57 time=4.85 ms
^C
--- 203.190.242.211 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2634ms
rtt min/avg/max/mdev = 4.470/4.789/5.044/0.238 ms

DNS Template sudah di arahkan ke DNS Domain di Register.com dan di tambahkan A Record untuk IP Local.

Berikut "sysinfo" nya :

Quote
A. Control Panel:
   - Kloxo-MR: 7.0.0.b-2016022302
   - Web: hiawatha-10.1.0-f.6.mr.el6.x86_64
   - PHP: php54s-5.4.45-1.ius.el6 (fpm mode)
B. Plateform:
   - OS: CentOS release 6.7 (Final) x86_64
   - Hostname: vps101.xxx.co.id
C. Services:
   1. MySQL: MariaDB-server-10.0.24-1.el6.x86_64
   2. PHP:
      - Branch: php54-cli-5.4.45-1.ius.el6.x86_64
      - Multiple:
        * php52m-5.2.17-102.mr.el6
        * php53m-5.3.29-1.ius.el6
        * php54m-5.4.45-1.ius.el6
        * php55m-5.5.32-1.ius.el6
        * php56m-5.6.18-1.ius.el6
        * php70m-Could not get metalink https://mirrors.fedoraproject.org/metali                                                                                        nk?repo=epel-6&arch=x86_64 error was14: PYCURL ERROR 6 - "Couldn't resolve host                                                                                         'mirrors.fedoraproject.org'"7.0.3-1.w6
      - Used: --Use PHP Branch--
   3. Httpd: httpd-2.2.31-1.mr.el6.x86_64
      - PHP Type: php-fpm_event
   4. Lighttpd: --uninstalled--
   5. Hiawatha: --unused--
   6. Nginx: nginx-1.9.11-1.el6.ngx.x86_64
   7. Cache: --uninstalled--
   8. Dns: nsd-4.1.7-3.el6.x86_64
   9. Qmail: qmail-toaster-1.03-1.3.55.mr.el6.x86_64
      - with: courier-imap-toaster-4.1.2-1.3.18.mr.el6.x86_64
D. Memory:
                total       used       free     shared    buffers     cached
   Mem:          3832        685       3147         31         37        272
   -/+ buffers/cache:        374       3457
   Swap:         3967          0       3967
E. Disk Space:
   Filesystem            Size  Used Avail Use% Mounted on
   /dev/mapper/vg_slvps01vn-lv_root
                          50G  2.6G   45G   6% /


Thanks.
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Offline MRatWork

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Re: DNS not Resolve
« Reply #1 on: 2016-11-23, 04:48:06 »
Kalau ping ke forum.mratwork.com apa sama hasilnya?
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Offline tuwaga

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Re: DNS not Resolve
« Reply #2 on: 2016-11-23, 05:31:19 »
sama pak hasil nya.

Quote
# ping forum.mratwork.com
ping: unknown host forum.mratwork.com
# ping 62.210.181.21
PING 62.210.181.21 (62.210.181.21) 56(84) bytes of data.
64 bytes from 62.210.181.21: icmp_seq=1 ttl=50 time=191 ms
64 bytes from 62.210.181.21: icmp_seq=2 ttl=50 time=191 ms
64 bytes from 62.210.181.21: icmp_seq=3 ttl=50 time=191 ms
^C
--- 62.210.181.21 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 2918ms
rtt min/avg/max/mdev = 191.296/191.462/191.646/0.384 ms
#
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Offline MRatWork

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Re: DNS not Resolve
« Reply #3 on: 2016-11-23, 11:30:50 »
Berarti salahnya di server anda sendiri.

Infokan hasil 'cat /etc/resolv.conf; dir -l dir -l /etc/udev/rules.d'.
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Offline tuwaga

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Re: DNS not Resolve
« Reply #4 on: 2016-11-24, 03:15:17 »
pak Mustafa,

ini hasil nya...

Quote
# Generated by NetworkManager
nameserver 8.8.8.8
nameserver 8.8.4.4
dir: cannot access dir: No such file or directory
/etc/udev/rules.d:
total 16
-rw-r--r--. 1 root root 153 Jul 24  2015 60-ipath.rules
-rw-r--r--. 1 root root 316 Oct 15  2014 60-raw.rules
-rw-r--r--. 1 root root 789 Feb 23  2016 70-persistent-cd.rules
-rw-r--r--. 1 root root 589 Feb 23  2016 70-persistent-net.rules
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Offline MRatWork

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Re: DNS not Resolve
« Reply #5 on: 2016-11-24, 11:17:18 »
Coba hapus file tertentu dan reboot dengan 'rm -f /etc/udev/rules.d/70-persistent-net.rules; reboot'. Setelah itu, dari panel, click 're-read IP' pada 'IP address'.
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Offline tuwaga

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Re: DNS not Resolve
« Reply #6 on: 2016-11-25, 05:19:39 »


Masih belum bisa ping DNS Name pak.

Untuk proses re-read tidak masalah, IP Address masih muncul dan dapat di akses via browser via vHost DNS Name.




Thanks.
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Offline MRatWork

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Re: DNS not Resolve
« Reply #7 on: 2016-11-25, 05:21:09 »
Infokan setting dns anda.
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Offline tuwaga

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Re: DNS not Resolve
« Reply #8 on: 2016-11-25, 06:10:58 »
Berikut setting DNS Template nya :

Quote
Hostname          Type    Priority    Value
   __base__            A        -        139.255.57.17
   __base__            A        -        xxx.xxx.xxx.xxx  <-- IP Local
   cp                            A        -        139.255.57.17
   ftp                        A        -        139.255.57.17
   mail                        A        -        139.255.57.17
   ns1                        A        -        202.78.200.59
   ns2                        A        -        62.210.129.20
   lists                        CN        -        mail
   webmail                CN        -        mail
   www                CN        -        __base__
   imap            FCNAME   -        mail.MasterWeb.dnst
   pop                    FCNAME   -        mail.MasterWeb.dnst
   smtp            FCNAME   -        mail.MasterWeb.dnst
   __base__       MX      10        mail.MasterWeb.dnst
   __base__       NS        -        dns1.masterweb.com
   __base__       NS        -        dns2.masterweb.net
   __base__       NS        -        dns3.masterwebnet.com
   __base__       NS        -        dns4.masterweb.net

Quote
Hostname          Type    Priority    Value
   __base__            A        -        139.255.57.17
   __base__            A        -        xxx.xxx.xxx.xxx  <-- IP Local
   cp                            A        -        139.255.57.17
   ftp                        A        -        139.255.57.17
   mail                        A        -        139.255.57.17
   ns1                        A        -        216.21.236.10
   ns2                        A        -        216.21.232.16
   lists                        CN        -        mail
   webmail                CN        -        mail
   www                CN        -        __base__
   imap            FCNAME   -        mail.Register.dnst
   pop                    FCNAME   -        mail.Register.dnst
   smtp            FCNAME   -        mail.Register.dnst
   __base__       MX      10        mail.Register.dnst
   __base__       NS        -        dns010.d.register.com
   __base__       NS        -        dns016.b.register.com
   __base__       NS        -        dns036.c.register.com
   __base__       NS        -        dns121.a.register.com

Quote
# cat /etc/resolv.conf
# Generated by NetworkManager
nameserver 8.8.8.8
nameserver 8.8.4.4
# cat /etc/sysconfig/network-scripts/ifcfg-eth0IP LocalDEVICE=eth0
TYPE=Ethernet
UUID=b4a29a5c-e9cb-426d-853d-45fa8ab88642
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=none
IPADDR=10.xxx.xxx.8
#GATEWAY=10.xxx.xxx.254
PREFIX=24
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME="System eth0"
DNS1=10.xxx.xxx.203
HWADDR=00:50:56:88:3A:05
# cat /etc/sysconfig/network-scripts/ifcfg-eth0:0IP LocalDEVICE=eth0:0
TYPE=Ethernet
UUID=b4a29a5c-e9cb-426d-853d-45fa8ab88642
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=none
IPADDR=10.xxx.xxx.12
#GATEWAY=10.xxx.xxx.254
PREFIX=24
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
DNS1=10.xxx.xxx.203
HWADDR=00:50:56:88:3A:05
# cat /etc/sysconfig/network-scripts/ifcfg-eth0:1IP LocalDEVICE=eth0:1
TYPE=Ethernet
UUID=b4a29a5c-e9cb-426d-853d-45fa8ab88642
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=none
IPADDR=10.xxx.xxx.15
#GATEWAY=10.xxx.xxx.254
PREFIX=24
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
DNS1=10.xxx.xxx.203
HWADDR=00:50:56:88:3A:05
# cat /etc/sysconfig/network-scripts/ifcfg-eth1IP DMZDEVICE=eth1
TYPE=Ethernet
UUID=63827777-03ce-475d-a6ea-39a249e216a1
ONBOOT=yes
NM_CONTROLLED=no
BOOTPROTO=none
IPADDR=10.xxx.xxx.98
PREFIX=27
GATEWAY=10.xxx.xxx.97
DNS1=8.8.8.8
DNS2=8.8.4.4
DEFROUTE=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=no
NAME="System eth1"
HWADDR=00:50:56:88:56:30
#
« Last Edit: 2016-11-29, 04:51:15 by tuwaga »
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Offline MRatWork

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Re: DNS not Resolve
« Reply #9 on: 2016-11-29, 09:40:06 »
Anda pakai IP local sehingga perlu setting NAT di modem anda.
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Offline tuwaga

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Re: DNS not Resolve
« Reply #10 on: 2016-11-29, 09:54:33 »
Sudah di NAT pak dari eth0 > eth1 > public sudah dapat di ping namun hanya IP tidak bisa DNS, sehingga tidak bisa lakukan yum/update.

Bila akses website dari luar menggunakan http://namadomain.com atau http://namadomain:2030 bisa di akses namun bila dari terminal tidak bisa resolve DNS.



Thanks.
« Last Edit: 2016-11-29, 09:57:42 by tuwaga »
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Offline MRatWork

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Re: DNS not Resolve
« Reply #11 on: 2016-11-29, 10:32:35 »
Yang di-NAT, port apa saja?. Apa juga termasuk port dns?.
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Offline tuwaga

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Re: DNS not Resolve
« Reply #12 on: 2016-12-02, 10:13:21 »

Problem Solve restart port 53 di firewall.
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